Issue running Dovecot in Docker Container

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Issue running Dovecot in Docker Container

Naveen Reddy
Hello, 

We need help with an issue that we are running into when we are trying to run Dovecot in Docker container. 
Also how do we enable debugging for dovecot. Logs doesn't show any info about the issue.

Below processes are not running when a Director service is started:

dovecot-Dovecot/auth
dovecot-Dovecot/ssl-params
dovecot-Director/lmtp
dovecot-Director/ssl-params
dovecot-Director/imap-login director

Here is the version that I'm running and including the dovecot -n output below:

bash-4.2# dovecot --version
2.2.36


bash-4.2# dovecot -n
# 2.2.36 (xxxxx): /etc/dovecot/dovecot.conf
# OS: Linux 4.1.12-112.14.11.el7uek.x86_64 x86_64 Red Hat Enterprise Linux Server release 7.7 (Maipo)
# Hostname: XXXXXXX
auth_debug = yes
auth_default_realm = xxxxxxxxxxxx
auth_verbose = yes
disable_plaintext_auth = no
dotlock_use_excl = no
hostname = xxxxxxxxxxxxxxxx
instance_name = Dovecot
login_log_format_elements = user=<%u> method=%m rip=%r lip=%l mpid=%e %c home=% domain=%d
mail_debug = yes
mail_fsync = always
mail_gid = imapd
mail_home = /xxxxxxxxxxx/%d/%n
mail_location = dbox:~/
mail_uid = imapd
mmap_disable = yes
passdb {
  args = /etc/dovecot/lookups/ldap-pass.conf
  driver = ldap
}
passdb {
  args = /etc/dovecot/lookups/xxxx.conf
  driver = ldap
}
plugin {
  stats_refresh = 30 secs
  stats_track_cmds = yes
}
protocols = imap lmtp
service auth {
  client_limit = 4096
  unix_listener auth-userdb {
    mode = 0777
  }
}
service imap-login {
  chroot = login
  client_limit = 0
  drop_priv_before_exec = no
  executable = imap-login
  extra_groups =
  group =
  idle_kill = 0
  inet_listener imap {
    address =
    port = 1144
    ssl = no
  }
  inet_listener imaps {
    address =
    port = 994
    ssl = yes
  }
  privileged_group =
  process_limit = 0
  process_min_avail = 0
  protocol = imap
  service_count = 50
  type = login
  user = $default_login_user
  vsz_limit = 18446744073709551615 B
}
service imap {
  service_count = 50
}
service lmtp {
  executable = lmtp -L
  inet_listener lmtp {
    address =
    port = 10025
  }
}
service stats {
  fifo_listener stats-mail {
    mode = 0600
    user = imapd
  }
}
ssl_cert = </xxxxxxx/cert/dovecot.pem
ssl_cipher_list = XXXXXX
ssl_key =  # hidden, use -P to show it
ssl_protocols = XXXXX
userdb {
  args = /etc/dovecot/lookups/ldap-user.conf
  driver = ldap
}
userdb {
  args = /etc/dovecot/lookups/xxxxxxx.conf
  driver = ldap
}


Thanks & Regards,
Naveen
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Re: Issue running Dovecot in Docker Container

Aki Tuomi-3

On 24/12/2019 12:33 Naveen Reddy <[hidden email]> wrote:


Hello, 

We need help with an issue that we are running into when we are trying to run Dovecot in Docker container. 
Also how do we enable debugging for dovecot. Logs doesn't show any info about the issue.

Below processes are not running when a Director service is started:

dovecot-Dovecot/auth
dovecot-Dovecot/ssl-params
dovecot-Director/lmtp
dovecot-Director/ssl-params
dovecot-Director/imap-login director

Here is the version that I'm running and including the dovecot -n output below:

bash-4.2# dovecot --version
2.2.36


bash-4.2# dovecot -n
# 2.2.36 (xxxxx): /etc/dovecot/dovecot.conf
# OS: Linux 4.1.12-112.14.11.el7uek.x86_64 x86_64 Red Hat Enterprise Linux Server release 7.7 (Maipo)
# Hostname: XXXXXXX
auth_debug = yes
auth_default_realm = xxxxxxxxxxxx
auth_verbose = yes
disable_plaintext_auth = no
dotlock_use_excl = no
hostname = xxxxxxxxxxxxxxxx
instance_name = Dovecot
login_log_format_elements = user=<%u> method=%m rip=%r lip=%l mpid=%e %c home=% domain=%d
mail_debug = yes
mail_fsync = always
mail_gid = imapd
mail_home = /xxxxxxxxxxx/%d/%n
mail_location = dbox:~/
mail_uid = imapd
mmap_disable = yes
passdb {
  args = /etc/dovecot/lookups/ldap-pass.conf
  driver = ldap
}
passdb {
  args = /etc/dovecot/lookups/xxxx.conf
  driver = ldap
}
plugin {
  stats_refresh = 30 secs
  stats_track_cmds = yes
}
protocols = imap lmtp
service auth {
  client_limit = 4096
  unix_listener auth-userdb {
    mode = 0777
  }
}
service imap-login {
  chroot = login
  client_limit = 0
  drop_priv_before_exec = no
  executable = imap-login
  extra_groups =
  group =
  idle_kill = 0
  inet_listener imap {
    address =
    port = 1144
    ssl = no
  }
  inet_listener imaps {
    address =
    port = 994
    ssl = yes
  }
  privileged_group =
  process_limit = 0
  process_min_avail = 0
  protocol = imap
  service_count = 50
  type = login
  user = $default_login_user
  vsz_limit = 18446744073709551615 B
}
service imap {
  service_count = 50
}
service lmtp {
  executable = lmtp -L
  inet_listener lmtp {
    address =
    port = 10025
  }
}
service stats {
  fifo_listener stats-mail {
    mode = 0600
    user = imapd
  }
}
ssl_cert = </xxxxxxx/cert/dovecot.pem
ssl_cipher_list = XXXXXX
ssl_key =  # hidden, use -P to show it
ssl_protocols = XXXXX
userdb {
  args = /etc/dovecot/lookups/ldap-user.conf
  driver = ldap
}
userdb {
  args = /etc/dovecot/lookups/xxxxxxx.conf
  driver = ldap
}


Thanks & Regards,
Naveen

Try setting

log_path=/dovecot.log
info_log_path=$log_path
debug_log_path=$log_path
---
Aki Tuomi
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Re: Issue running Dovecot in Docker Container

Naveen Reddy
I have tried these in the 10-logging.conf but no luck. There is nothing logged to the file.

bash-4.2# ps -ef
UID        PID  PPID  C STIME TTY          TIME CMD
root         1     0  0 Dec23 ?        00:00:00 /bin/bash /bootstrap.sh
root         8     1  0 Dec23 ?        00:00:00 sleep 36000d
root     15681     0  0 08:51 pts/1    00:00:00 bash
root     16340     0  0 09:19 ?        00:00:00 /usr/sbin/dovecot -c /etc/dovecot/director.conf
dovecot  16341 16340  0 09:19 ?        00:00:00 dovecot-Director/anvil
root     16342 16340  0 09:19 ?        00:00:00 dovecot-Director/log
root     16344 16340  0 09:19 ?        00:00:00 dovecot-Director/config
root     16390     0  0 09:22 ?        00:00:00 /usr/sbin/dovecot -c /etc/dovecot/dovecot.conf
dovecot  16391 16390  0 09:22 ?        00:00:00 dovecot-Dovecot/anvil
root     16392 16390  0 09:22 ?        00:00:00 dovecot-Dovecot/log
root     16394 16390  0 09:22 ?        00:00:00 dovecot-Dovecot/config
root     16406 15681  0 09:22 pts/1    00:00:00 ps -ef


The below processes are not starting as well. 

dovecot-Dovecot/auth
dovecot-Dovecot/ssl-params
dovecot-Director/lmtp
dovecot-Director/ssl-params
dovecot-Director/imap-login director

Thanks & Regards,
Naveen


On Tue, Dec 24, 2019 at 10:54 PM Aki Tuomi <[hidden email]> wrote:

On 24/12/2019 12:33 Naveen Reddy <[hidden email]> wrote:


Hello, 

We need help with an issue that we are running into when we are trying to run Dovecot in Docker container. 
Also how do we enable debugging for dovecot. Logs doesn't show any info about the issue.

Below processes are not running when a Director service is started:

dovecot-Dovecot/auth
dovecot-Dovecot/ssl-params
dovecot-Director/lmtp
dovecot-Director/ssl-params
dovecot-Director/imap-login director

Here is the version that I'm running and including the dovecot -n output below:

bash-4.2# dovecot --version
2.2.36


bash-4.2# dovecot -n
# 2.2.36 (xxxxx): /etc/dovecot/dovecot.conf
# OS: Linux 4.1.12-112.14.11.el7uek.x86_64 x86_64 Red Hat Enterprise Linux Server release 7.7 (Maipo)
# Hostname: XXXXXXX
auth_debug = yes
auth_default_realm = xxxxxxxxxxxx
auth_verbose = yes
disable_plaintext_auth = no
dotlock_use_excl = no
hostname = xxxxxxxxxxxxxxxx
instance_name = Dovecot
login_log_format_elements = user=<%u> method=%m rip=%r lip=%l mpid=%e %c home=% domain=%d
mail_debug = yes
mail_fsync = always
mail_gid = imapd
mail_home = /xxxxxxxxxxx/%d/%n
mail_location = dbox:~/
mail_uid = imapd
mmap_disable = yes
passdb {
  args = /etc/dovecot/lookups/ldap-pass.conf
  driver = ldap
}
passdb {
  args = /etc/dovecot/lookups/xxxx.conf
  driver = ldap
}
plugin {
  stats_refresh = 30 secs
  stats_track_cmds = yes
}
protocols = imap lmtp
service auth {
  client_limit = 4096
  unix_listener auth-userdb {
    mode = 0777
  }
}
service imap-login {
  chroot = login
  client_limit = 0
  drop_priv_before_exec = no
  executable = imap-login
  extra_groups =
  group =
  idle_kill = 0
  inet_listener imap {
    address =
    port = 1144
    ssl = no
  }
  inet_listener imaps {
    address =
    port = 994
    ssl = yes
  }
  privileged_group =
  process_limit = 0
  process_min_avail = 0
  protocol = imap
  service_count = 50
  type = login
  user = $default_login_user
  vsz_limit = 18446744073709551615 B
}
service imap {
  service_count = 50
}
service lmtp {
  executable = lmtp -L
  inet_listener lmtp {
    address =
    port = 10025
  }
}
service stats {
  fifo_listener stats-mail {
    mode = 0600
    user = imapd
  }
}
ssl_cert = </xxxxxxx/cert/dovecot.pem
ssl_cipher_list = XXXXXX
ssl_key =  # hidden, use -P to show it
ssl_protocols = XXXXX
userdb {
  args = /etc/dovecot/lookups/ldap-user.conf
  driver = ldap
}
userdb {
  args = /etc/dovecot/lookups/xxxxxxx.conf
  driver = ldap
}


Thanks & Regards,
Naveen

Try setting

log_path=/dovecot.log
info_log_path=$log_path
debug_log_path=$log_path
---
Aki Tuomi
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Re: Issue running Dovecot in Docker Container

Aki Tuomi-3
Do you have !include or !try_include in director.conf? The conf.d files are not included otherwise.

Aki
On 26/12/2019 11:27 Naveen Reddy <[hidden email]> wrote:


I have tried these in the 10-logging.conf but no luck. There is nothing logged to the file.

bash-4.2# ps -ef
UID        PID  PPID  C STIME TTY          TIME CMD
root         1     0  0 Dec23 ?        00:00:00 /bin/bash /bootstrap.sh
root         8     1  0 Dec23 ?        00:00:00 sleep 36000d
root     15681     0  0 08:51 pts/1    00:00:00 bash
root     16340     0  0 09:19 ?        00:00:00 /usr/sbin/dovecot -c /etc/dovecot/director.conf
dovecot  16341 16340  0 09:19 ?        00:00:00 dovecot-Director/anvil
root     16342 16340  0 09:19 ?        00:00:00 dovecot-Director/log
root     16344 16340  0 09:19 ?        00:00:00 dovecot-Director/config
root     16390     0  0 09:22 ?        00:00:00 /usr/sbin/dovecot -c /etc/dovecot/dovecot.conf
dovecot  16391 16390  0 09:22 ?        00:00:00 dovecot-Dovecot/anvil
root     16392 16390  0 09:22 ?        00:00:00 dovecot-Dovecot/log
root     16394 16390  0 09:22 ?        00:00:00 dovecot-Dovecot/config
root     16406 15681  0 09:22 pts/1    00:00:00 ps -ef


The below processes are not starting as well. 

dovecot-Dovecot/auth
dovecot-Dovecot/ssl-params
dovecot-Director/lmtp
dovecot-Director/ssl-params
dovecot-Director/imap-login director

Thanks & Regards,
Naveen


On Tue, Dec 24, 2019 at 10:54 PM Aki Tuomi < [hidden email]> wrote:

On 24/12/2019 12:33 Naveen Reddy < [hidden email]> wrote:


Hello, 

We need help with an issue that we are running into when we are trying to run Dovecot in Docker container. 
Also how do we enable debugging for dovecot. Logs doesn't show any info about the issue.

Below processes are not running when a Director service is started:

dovecot-Dovecot/auth
dovecot-Dovecot/ssl-params
dovecot-Director/lmtp
dovecot-Director/ssl-params
dovecot-Director/imap-login director

Here is the version that I'm running and including the dovecot -n output below:

bash-4.2# dovecot --version
2.2.36


bash-4.2# dovecot -n
# 2.2.36 (xxxxx): /etc/dovecot/dovecot.conf
# OS: Linux 4.1.12-112.14.11.el7uek.x86_64 x86_64 Red Hat Enterprise Linux Server release 7.7 (Maipo)
# Hostname: XXXXXXX
auth_debug = yes
auth_default_realm = xxxxxxxxxxxx
auth_verbose = yes
disable_plaintext_auth = no
dotlock_use_excl = no
hostname = xxxxxxxxxxxxxxxx
instance_name = Dovecot
login_log_format_elements = user=<%u> method=%m rip=%r lip=%l mpid=%e %c home=% domain=%d
mail_debug = yes
mail_fsync = always
mail_gid = imapd
mail_home = /xxxxxxxxxxx/%d/%n
mail_location = dbox:~/
mail_uid = imapd
mmap_disable = yes
passdb {
  args = /etc/dovecot/lookups/ldap-pass.conf
  driver = ldap
}
passdb {
  args = /etc/dovecot/lookups/xxxx.conf
  driver = ldap
}
plugin {
  stats_refresh = 30 secs
  stats_track_cmds = yes
}
protocols = imap lmtp
service auth {
  client_limit = 4096
  unix_listener auth-userdb {
    mode = 0777
  }
}
service imap-login {
  chroot = login
  client_limit = 0
  drop_priv_before_exec = no
  executable = imap-login
  extra_groups =
  group =
  idle_kill = 0
  inet_listener imap {
    address =
    port = 1144
    ssl = no
  }
  inet_listener imaps {
    address =
    port = 994
    ssl = yes
  }
  privileged_group =
  process_limit = 0
  process_min_avail = 0
  protocol = imap
  service_count = 50
  type = login
  user = $default_login_user
  vsz_limit = 18446744073709551615 B
}
service imap {
  service_count = 50
}
service lmtp {
  executable = lmtp -L
  inet_listener lmtp {
    address =
    port = 10025
  }
}
service stats {
  fifo_listener stats-mail {
    mode = 0600
    user = imapd
  }
}
ssl_cert = </xxxxxxx/cert/dovecot.pem
ssl_cipher_list = XXXXXX
ssl_key =  # hidden, use -P to show it
ssl_protocols = XXXXX
userdb {
  args = /etc/dovecot/lookups/ldap-user.conf
  driver = ldap
}
userdb {
  args = /etc/dovecot/lookups/xxxxxxx.conf
  driver = ldap
}


Thanks & Regards,
Naveen

Try setting

log_path=/dovecot.log
info_log_path=$log_path
debug_log_path=$log_path
---
Aki Tuomi

---
Aki Tuomi
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Re: Issue running Dovecot in Docker Container

Naveen Reddy

The conf.d files are not included. I have added !include conf.d/*.conf to director.conf and reloaded the dovecot and director services. 

conf.d/10-logging also has the following lines:

log_path = /dovecot.log
info_log_path = $log_path
debug_log_path = $log_path

The /dovecot.log file still shows empty.  Nothing is being logged to that file.


Thanks & Regards,
Naveen


On Thu, Dec 26, 2019 at 10:52 PM Aki Tuomi <[hidden email]> wrote:
Do you have !include or !try_include in director.conf? The conf.d files are not included otherwise.

Aki
On 26/12/2019 11:27 Naveen Reddy <[hidden email]> wrote:


I have tried these in the 10-logging.conf but no luck. There is nothing logged to the file.

bash-4.2# ps -ef
UID        PID  PPID  C STIME TTY          TIME CMD
root         1     0  0 Dec23 ?        00:00:00 /bin/bash /bootstrap.sh
root         8     1  0 Dec23 ?        00:00:00 sleep 36000d
root     15681     0  0 08:51 pts/1    00:00:00 bash
root     16340     0  0 09:19 ?        00:00:00 /usr/sbin/dovecot -c /etc/dovecot/director.conf
dovecot  16341 16340  0 09:19 ?        00:00:00 dovecot-Director/anvil
root     16342 16340  0 09:19 ?        00:00:00 dovecot-Director/log
root     16344 16340  0 09:19 ?        00:00:00 dovecot-Director/config
root     16390     0  0 09:22 ?        00:00:00 /usr/sbin/dovecot -c /etc/dovecot/dovecot.conf
dovecot  16391 16390  0 09:22 ?        00:00:00 dovecot-Dovecot/anvil
root     16392 16390  0 09:22 ?        00:00:00 dovecot-Dovecot/log
root     16394 16390  0 09:22 ?        00:00:00 dovecot-Dovecot/config
root     16406 15681  0 09:22 pts/1    00:00:00 ps -ef


The below processes are not starting as well. 

dovecot-Dovecot/auth
dovecot-Dovecot/ssl-params
dovecot-Director/lmtp
dovecot-Director/ssl-params
dovecot-Director/imap-login director

Thanks & Regards,
Naveen


On Tue, Dec 24, 2019 at 10:54 PM Aki Tuomi < [hidden email]> wrote:

On 24/12/2019 12:33 Naveen Reddy < [hidden email]> wrote:


Hello, 

We need help with an issue that we are running into when we are trying to run Dovecot in Docker container. 
Also how do we enable debugging for dovecot. Logs doesn't show any info about the issue.

Below processes are not running when a Director service is started:

dovecot-Dovecot/auth
dovecot-Dovecot/ssl-params
dovecot-Director/lmtp
dovecot-Director/ssl-params
dovecot-Director/imap-login director

Here is the version that I'm running and including the dovecot -n output below:

bash-4.2# dovecot --version
2.2.36


bash-4.2# dovecot -n
# 2.2.36 (xxxxx): /etc/dovecot/dovecot.conf
# OS: Linux 4.1.12-112.14.11.el7uek.x86_64 x86_64 Red Hat Enterprise Linux Server release 7.7 (Maipo)
# Hostname: XXXXXXX
auth_debug = yes
auth_default_realm = xxxxxxxxxxxx
auth_verbose = yes
disable_plaintext_auth = no
dotlock_use_excl = no
hostname = xxxxxxxxxxxxxxxx
instance_name = Dovecot
login_log_format_elements = user=<%u> method=%m rip=%r lip=%l mpid=%e %c home=% domain=%d
mail_debug = yes
mail_fsync = always
mail_gid = imapd
mail_home = /xxxxxxxxxxx/%d/%n
mail_location = dbox:~/
mail_uid = imapd
mmap_disable = yes
passdb {
  args = /etc/dovecot/lookups/ldap-pass.conf
  driver = ldap
}
passdb {
  args = /etc/dovecot/lookups/xxxx.conf
  driver = ldap
}
plugin {
  stats_refresh = 30 secs
  stats_track_cmds = yes
}
protocols = imap lmtp
service auth {
  client_limit = 4096
  unix_listener auth-userdb {
    mode = 0777
  }
}
service imap-login {
  chroot = login
  client_limit = 0
  drop_priv_before_exec = no
  executable = imap-login
  extra_groups =
  group =
  idle_kill = 0
  inet_listener imap {
    address =
    port = 1144
    ssl = no
  }
  inet_listener imaps {
    address =
    port = 994
    ssl = yes
  }
  privileged_group =
  process_limit = 0
  process_min_avail = 0
  protocol = imap
  service_count = 50
  type = login
  user = $default_login_user
  vsz_limit = 18446744073709551615 B
}
service imap {
  service_count = 50
}
service lmtp {
  executable = lmtp -L
  inet_listener lmtp {
    address =
    port = 10025
  }
}
service stats {
  fifo_listener stats-mail {
    mode = 0600
    user = imapd
  }
}
ssl_cert = </xxxxxxx/cert/dovecot.pem
ssl_cipher_list = XXXXXX
ssl_key =  # hidden, use -P to show it
ssl_protocols = XXXXX
userdb {
  args = /etc/dovecot/lookups/ldap-user.conf
  driver = ldap
}
userdb {
  args = /etc/dovecot/lookups/xxxxxxx.conf
  driver = ldap
}


Thanks & Regards,
Naveen

Try setting

log_path=/dovecot.log
info_log_path=$log_path
debug_log_path=$log_path
---
Aki Tuomi

---
Aki Tuomi
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Re: Issue running Dovecot in Docker Container

Aki Tuomi-3
Can you check with `doveconf -nc /path/to/director.conf` that the values are actually set correctly?

Aki
On 27/12/2019 15:34 Naveen Reddy <[hidden email]> wrote:



The conf.d files are not included. I have added  !include conf.d/*.conf to director.conf and reloaded the dovecot and director services. 

conf.d/10-logging also has the following lines:

log_path = /dovecot.log
info_log_path = $log_path
debug_log_path = $log_path

The /dovecot.log file still shows empty.  Nothing is being logged to that file.


Thanks & Regards,
Naveen


On Thu, Dec 26, 2019 at 10:52 PM Aki Tuomi < [hidden email]> wrote:
Do you have !include or !try_include in director.conf? The conf.d files are not included otherwise.

Aki
On 26/12/2019 11:27 Naveen Reddy < [hidden email]> wrote:


I have tried these in the 10-logging.conf but no luck. There is nothing logged to the file.

bash-4.2# ps -ef
UID        PID  PPID  C STIME TTY          TIME CMD
root         1     0  0 Dec23 ?        00:00:00 /bin/bash /bootstrap.sh
root         8     1  0 Dec23 ?        00:00:00 sleep 36000d
root     15681     0  0 08:51 pts/1    00:00:00 bash
root     16340     0  0 09:19 ?        00:00:00 /usr/sbin/dovecot -c /etc/dovecot/director.conf
dovecot  16341 16340  0 09:19 ?        00:00:00 dovecot-Director/anvil
root     16342 16340  0 09:19 ?        00:00:00 dovecot-Director/log
root     16344 16340  0 09:19 ?        00:00:00 dovecot-Director/config
root     16390     0  0 09:22 ?        00:00:00 /usr/sbin/dovecot -c /etc/dovecot/dovecot.conf
dovecot  16391 16390  0 09:22 ?        00:00:00 dovecot-Dovecot/anvil
root     16392 16390  0 09:22 ?        00:00:00 dovecot-Dovecot/log
root     16394 16390  0 09:22 ?        00:00:00 dovecot-Dovecot/config
root     16406 15681  0 09:22 pts/1    00:00:00 ps -ef


The below processes are not starting as well. 

dovecot-Dovecot/auth
dovecot-Dovecot/ssl-params
dovecot-Director/lmtp
dovecot-Director/ssl-params
dovecot-Director/imap-login director

Thanks & Regards,
Naveen


On Tue, Dec 24, 2019 at 10:54 PM Aki Tuomi < [hidden email]> wrote:

On 24/12/2019 12:33 Naveen Reddy < [hidden email]> wrote:


Hello, 

We need help with an issue that we are running into when we are trying to run Dovecot in Docker container. 
Also how do we enable debugging for dovecot. Logs doesn't show any info about the issue.

Below processes are not running when a Director service is started:

dovecot-Dovecot/auth
dovecot-Dovecot/ssl-params
dovecot-Director/lmtp
dovecot-Director/ssl-params
dovecot-Director/imap-login director

Here is the version that I'm running and including the dovecot -n output below:

bash-4.2# dovecot --version
2.2.36


bash-4.2# dovecot -n
# 2.2.36 (xxxxx): /etc/dovecot/dovecot.conf
# OS: Linux 4.1.12-112.14.11.el7uek.x86_64 x86_64 Red Hat Enterprise Linux Server release 7.7 (Maipo)
# Hostname: XXXXXXX
auth_debug = yes
auth_default_realm = xxxxxxxxxxxx
auth_verbose = yes
disable_plaintext_auth = no
dotlock_use_excl = no
hostname = xxxxxxxxxxxxxxxx
instance_name = Dovecot
login_log_format_elements = user=<%u> method=%m rip=%r lip=%l mpid=%e %c home=% domain=%d
mail_debug = yes
mail_fsync = always
mail_gid = imapd
mail_home = /xxxxxxxxxxx/%d/%n
mail_location = dbox:~/
mail_uid = imapd
mmap_disable = yes
passdb {
  args = /etc/dovecot/lookups/ldap-pass.conf
  driver = ldap
}
passdb {
  args = /etc/dovecot/lookups/xxxx.conf
  driver = ldap
}
plugin {
  stats_refresh = 30 secs
  stats_track_cmds = yes
}
protocols = imap lmtp
service auth {
  client_limit = 4096
  unix_listener auth-userdb {
    mode = 0777
  }
}
service imap-login {
  chroot = login
  client_limit = 0
  drop_priv_before_exec = no
  executable = imap-login
  extra_groups =
  group =
  idle_kill = 0
  inet_listener imap {
    address =
    port = 1144
    ssl = no
  }
  inet_listener imaps {
    address =
    port = 994
    ssl = yes
  }
  privileged_group =
  process_limit = 0
  process_min_avail = 0
  protocol = imap
  service_count = 50
  type = login
  user = $default_login_user
  vsz_limit = 18446744073709551615 B
}
service imap {
  service_count = 50
}
service lmtp {
  executable = lmtp -L
  inet_listener lmtp {
    address =
    port = 10025
  }
}
service stats {
  fifo_listener stats-mail {
    mode = 0600
    user = imapd
  }
}
ssl_cert = </xxxxxxx/cert/dovecot.pem
ssl_cipher_list = XXXXXX
ssl_key =  # hidden, use -P to show it
ssl_protocols = XXXXX
userdb {
  args = /etc/dovecot/lookups/ldap-user.conf
  driver = ldap
}
userdb {
  args = /etc/dovecot/lookups/xxxxxxx.conf
  driver = ldap
}


Thanks & Regards,
Naveen

Try setting

log_path=/dovecot.log
info_log_path=$log_path
debug_log_path=$log_path
---
Aki Tuomi

---
Aki Tuomi

---
Aki Tuomi
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Re: Issue running Dovecot in Docker Container

Naveen Reddy
Hi, I can see those values correctly with the doveconf -nc command. Here is the part of output:

bash-4.2# doveconf -nc /etc/dovecot/director.conf
# 2.2.36 (1f10bfa63): /etc/dovecot/director.conf
# OS: Linux 4.1.12-112.14.11.el7uek.x86_64 x86_64 Red Hat Enterprise Linux Server release 7.7 (Maipo)
# Hostname: 69b492645b56
auth_debug = yes
auth_default_realm = xxxxxxxxxxxxxxxx
auth_verbose = yes
base_dir = /var/run/dovecot_director
debug_log_path = $log_path
director_mail_servers = xxxxxxxxxxxxxxxxxx
director_servers = xxxxxxxxxxxxxxxxxxxx
disable_plaintext_auth = no
first_valid_uid = 1000
hostname = xxxxxxxxxxxxxxxxxxxx
info_log_path = $log_path
instance_name = Director
lmtp_proxy = yes
log_path = /dovecot.log
login_log_format_elements = user=<%u> method=%m rip=%r lip=%l mpid=%e %c home=%h

Thanks & Regards,
Naveen


On Fri, Dec 27, 2019 at 10:08 PM Aki Tuomi <[hidden email]> wrote:
Can you check with `doveconf -nc /path/to/director.conf` that the values are actually set correctly?

Aki
On 27/12/2019 15:34 Naveen Reddy <[hidden email]> wrote:



The conf.d files are not included. I have added  !include conf.d/*.conf to director.conf and reloaded the dovecot and director services. 

conf.d/10-logging also has the following lines:

log_path = /dovecot.log
info_log_path = $log_path
debug_log_path = $log_path

The /dovecot.log file still shows empty.  Nothing is being logged to that file.


Thanks & Regards,
Naveen


On Thu, Dec 26, 2019 at 10:52 PM Aki Tuomi < [hidden email]> wrote:
Do you have !include or !try_include in director.conf? The conf.d files are not included otherwise.

Aki
On 26/12/2019 11:27 Naveen Reddy < [hidden email]> wrote:


I have tried these in the 10-logging.conf but no luck. There is nothing logged to the file.

bash-4.2# ps -ef
UID        PID  PPID  C STIME TTY          TIME CMD
root         1     0  0 Dec23 ?        00:00:00 /bin/bash /bootstrap.sh
root         8     1  0 Dec23 ?        00:00:00 sleep 36000d
root     15681     0  0 08:51 pts/1    00:00:00 bash
root     16340     0  0 09:19 ?        00:00:00 /usr/sbin/dovecot -c /etc/dovecot/director.conf
dovecot  16341 16340  0 09:19 ?        00:00:00 dovecot-Director/anvil
root     16342 16340  0 09:19 ?        00:00:00 dovecot-Director/log
root     16344 16340  0 09:19 ?        00:00:00 dovecot-Director/config
root     16390     0  0 09:22 ?        00:00:00 /usr/sbin/dovecot -c /etc/dovecot/dovecot.conf
dovecot  16391 16390  0 09:22 ?        00:00:00 dovecot-Dovecot/anvil
root     16392 16390  0 09:22 ?        00:00:00 dovecot-Dovecot/log
root     16394 16390  0 09:22 ?        00:00:00 dovecot-Dovecot/config
root     16406 15681  0 09:22 pts/1    00:00:00 ps -ef


The below processes are not starting as well. 

dovecot-Dovecot/auth
dovecot-Dovecot/ssl-params
dovecot-Director/lmtp
dovecot-Director/ssl-params
dovecot-Director/imap-login director

Thanks & Regards,
Naveen


On Tue, Dec 24, 2019 at 10:54 PM Aki Tuomi < [hidden email]> wrote:

On 24/12/2019 12:33 Naveen Reddy < [hidden email]> wrote:


Hello, 

We need help with an issue that we are running into when we are trying to run Dovecot in Docker container. 
Also how do we enable debugging for dovecot. Logs doesn't show any info about the issue.

Below processes are not running when a Director service is started:

dovecot-Dovecot/auth
dovecot-Dovecot/ssl-params
dovecot-Director/lmtp
dovecot-Director/ssl-params
dovecot-Director/imap-login director

Here is the version that I'm running and including the dovecot -n output below:

bash-4.2# dovecot --version
2.2.36


bash-4.2# dovecot -n
# 2.2.36 (xxxxx): /etc/dovecot/dovecot.conf
# OS: Linux 4.1.12-112.14.11.el7uek.x86_64 x86_64 Red Hat Enterprise Linux Server release 7.7 (Maipo)
# Hostname: XXXXXXX
auth_debug = yes
auth_default_realm = xxxxxxxxxxxx
auth_verbose = yes
disable_plaintext_auth = no
dotlock_use_excl = no
hostname = xxxxxxxxxxxxxxxx
instance_name = Dovecot
login_log_format_elements = user=<%u> method=%m rip=%r lip=%l mpid=%e %c home=% domain=%d
mail_debug = yes
mail_fsync = always
mail_gid = imapd
mail_home = /xxxxxxxxxxx/%d/%n
mail_location = dbox:~/
mail_uid = imapd
mmap_disable = yes
passdb {
  args = /etc/dovecot/lookups/ldap-pass.conf
  driver = ldap
}
passdb {
  args = /etc/dovecot/lookups/xxxx.conf
  driver = ldap
}
plugin {
  stats_refresh = 30 secs
  stats_track_cmds = yes
}
protocols = imap lmtp
service auth {
  client_limit = 4096
  unix_listener auth-userdb {
    mode = 0777
  }
}
service imap-login {
  chroot = login
  client_limit = 0
  drop_priv_before_exec = no
  executable = imap-login
  extra_groups =
  group =
  idle_kill = 0
  inet_listener imap {
    address =
    port = 1144
    ssl = no
  }
  inet_listener imaps {
    address =
    port = 994
    ssl = yes
  }
  privileged_group =
  process_limit = 0
  process_min_avail = 0
  protocol = imap
  service_count = 50
  type = login
  user = $default_login_user
  vsz_limit = 18446744073709551615 B
}
service imap {
  service_count = 50
}
service lmtp {
  executable = lmtp -L
  inet_listener lmtp {
    address =
    port = 10025
  }
}
service stats {
  fifo_listener stats-mail {
    mode = 0600
    user = imapd
  }
}
ssl_cert = </xxxxxxx/cert/dovecot.pem
ssl_cipher_list = XXXXXX
ssl_key =  # hidden, use -P to show it
ssl_protocols = XXXXX
userdb {
  args = /etc/dovecot/lookups/ldap-user.conf
  driver = ldap
}
userdb {
  args = /etc/dovecot/lookups/xxxxxxx.conf
  driver = ldap
}


Thanks & Regards,
Naveen

Try setting

log_path=/dovecot.log
info_log_path=$log_path
debug_log_path=$log_path
---
Aki Tuomi

---
Aki Tuomi

---
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RE: Issue running Dovecot in Docker Container

Marc Roos
 
I have noticed several issues with dovecot, trying to run it without
root. Which is preferable in any container environment. Maybe you would
like me to document these somewhere? So at some point they can be
applied.


-----Original Message-----
From: Naveen Reddy [mailto:[hidden email]]
Sent: 30 December 2019 09:02
To: Aki Tuomi
Cc: [hidden email]
Subject: Re: Issue running Dovecot in Docker Container

Hi, I can see those values correctly with the doveconf -nc command. Here
is the part of output:

bash-4.2# doveconf -nc /etc/dovecot/director.conf # 2.2.36 (1f10bfa63):
/etc/dovecot/director.conf # OS: Linux 4.1.12-112.14.11.el7uek.x86_64
x86_64 Red Hat Enterprise Linux Server release 7.7 (Maipo) # Hostname:
69b492645b56 auth_debug = yes auth_default_realm = xxxxxxxxxxxxxxxx
auth_verbose = yes base_dir = /var/run/dovecot_director debug_log_path =
$log_path director_mail_servers = xxxxxxxxxxxxxxxxxx director_servers =
xxxxxxxxxxxxxxxxxxxx disable_plaintext_auth = no first_valid_uid = 1000
hostname = xxxxxxxxxxxxxxxxxxxx info_log_path = $log_path instance_name
= Director lmtp_proxy = yes log_path = /dovecot.log
login_log_format_elements = user=<%u> method=%m rip=%r lip=%l mpid=%e %c
home=%h

Thanks & Regards,
Naveen



On Fri, Dec 27, 2019 at 10:08 PM Aki Tuomi <[hidden email]>
wrote:


       
        Can you check with `doveconf -nc /path/to/director.conf` that the
values are actually set correctly?

        Aki

                On 27/12/2019 15:34 Naveen Reddy <[hidden email]>
wrote:



                The conf.d files are not included. I have added  !include
conf.d/*.conf to director.conf and reloaded the dovecot and director
services.  

                conf.d/10-logging also has the following lines:

                log_path = /dovecot.log
                info_log_path = $log_path
                debug_log_path = $log_path
               

                The /dovecot.log file still shows empty.  Nothing is being
logged to that file.


                Thanks & Regards,
                Naveen
               


                On Thu, Dec 26, 2019 at 10:52 PM Aki Tuomi <
[hidden email]> wrote:
               

                       
                        Do you have !include or !try_include in director.conf?
The conf.d files are not included otherwise.

                        Aki

                                On 26/12/2019 11:27 Naveen Reddy <
[hidden email]> wrote:


                                I have tried these in the 10-logging.conf but no
luck. There is nothing logged to the file.

                                bash-4.2# ps -ef
                                UID        PID  PPID  C STIME TTY          TIME CMD
                                root         1     0  0 Dec23 ?        00:00:00
/bin/bash /bootstrap.sh
                                root         8     1  0 Dec23 ?        00:00:00
sleep 36000d
                                root     15681     0  0 08:51 pts/1    00:00:00 bash
                                root     16340     0  0 09:19 ?        00:00:00
/usr/sbin/dovecot -c /etc/dovecot/director.conf
                                dovecot  16341 16340  0 09:19 ?        00:00:00
dovecot-Director/anvil
                                root     16342 16340  0 09:19 ?        00:00:00
dovecot-Director/log
                                root     16344 16340  0 09:19 ?        00:00:00
dovecot-Director/config
                                root     16390     0  0 09:22 ?        00:00:00
/usr/sbin/dovecot -c /etc/dovecot/dovecot.conf
                                dovecot  16391 16390  0 09:22 ?        00:00:00
dovecot-Dovecot/anvil
                                root     16392 16390  0 09:22 ?        00:00:00
dovecot-Dovecot/log
                                root     16394 16390  0 09:22 ?        00:00:00
dovecot-Dovecot/config
                                root     16406 15681  0 09:22 pts/1    00:00:00 ps
-ef
                               

                                The below processes are not starting as well.  

                                dovecot-Dovecot/auth
                                dovecot-Dovecot/ssl-params
                                dovecot-Director/lmtp
                                dovecot-Director/ssl-params
                                dovecot-Director/imap-login director
                               
                                Thanks & Regards,
                                Naveen
                               


                                On Tue, Dec 24, 2019 at 10:54 PM Aki Tuomi <
[hidden email]> wrote:
                               

                                       


                                                On 24/12/2019 12:33 Naveen Reddy <
[hidden email]> wrote:


                                                Hello,  

                                                We need help with an issue that we are
running into when we are trying to run Dovecot in Docker container.  
                                                Also how do we enable debugging for
dovecot. Logs doesn't show any info about the issue.

                                                Below processes are not running when a
Director service is started:

                                                dovecot-Dovecot/auth
                                                dovecot-Dovecot/ssl-params
                                                dovecot-Director/lmtp
                                                dovecot-Director/ssl-params
                                                dovecot-Director/imap-login director

                                                Here is the version that I'm running and
including the dovecot -n output below:

                                                bash-4.2# dovecot --version
                                                2.2.36
                                               

                                                bash-4.2# dovecot -n
                                                # 2.2.36 (xxxxx):
/etc/dovecot/dovecot.conf
                                                # OS: Linux 4.1.12-112.14.11.el7uek.x86_64
x86_64 Red Hat Enterprise Linux Server release 7.7 (Maipo)
                                                # Hostname: XXXXXXX
                                                auth_debug = yes
                                                auth_default_realm = xxxxxxxxxxxx
                                                auth_verbose = yes
                                                disable_plaintext_auth = no
                                                dotlock_use_excl = no
                                                hostname = xxxxxxxxxxxxxxxx
                                                instance_name = Dovecot
                                                login_log_format_elements = user=<%u>
method=%m rip=%r lip=%l mpid=%e %c home=% domain=%d
                                                mail_debug = yes
                                                mail_fsync = always
                                                mail_gid = imapd
                                                mail_home = /xxxxxxxxxxx/%d/%n
                                                mail_location = dbox:~/
                                                mail_uid = imapd
                                                mmap_disable = yes
                                                passdb {
                                                  args =
/etc/dovecot/lookups/ldap-pass.conf
                                                  driver = ldap
                                                }
                                                passdb {
                                                  args = /etc/dovecot/lookups/xxxx.conf
                                                  driver = ldap
                                                }
                                                plugin {
                                                  stats_refresh = 30 secs
                                                  stats_track_cmds = yes
                                                }
                                                protocols = imap lmtp
                                                service auth {
                                                  client_limit = 4096
                                                  unix_listener auth-userdb {
                                                    mode = 0777
                                                  }
                                                }
                                                service imap-login {
                                                  chroot = login
                                                  client_limit = 0
                                                  drop_priv_before_exec = no
                                                  executable = imap-login
                                                  extra_groups =
                                                  group =
                                                  idle_kill = 0
                                                  inet_listener imap {
                                                    address =
                                                    port = 1144
                                                    ssl = no
                                                  }
                                                  inet_listener imaps {
                                                    address =
                                                    port = 994
                                                    ssl = yes
                                                  }
                                                  privileged_group =
                                                  process_limit = 0
                                                  process_min_avail = 0
                                                  protocol = imap
                                                  service_count = 50
                                                  type = login
                                                  user = $default_login_user
                                                  vsz_limit = 18446744073709551615 B
                                                }
                                                service imap {
                                                  service_count = 50
                                                }
                                                service lmtp {
                                                  executable = lmtp -L
                                                  inet_listener lmtp {
                                                    address =
                                                    port = 10025
                                                  }
                                                }
                                                service stats {
                                                  fifo_listener stats-mail {
                                                    mode = 0600
                                                    user = imapd
                                                  }
                                                }
                                                ssl_cert = </xxxxxxx/cert/dovecot.pem
                                                ssl_cipher_list = XXXXXX
                                                ssl_key =  # hidden, use -P to show it
                                                ssl_protocols = XXXXX
                                                userdb {
                                                  args =
/etc/dovecot/lookups/ldap-user.conf
                                                  driver = ldap
                                                }
                                                userdb {
                                                  args = /etc/dovecot/lookups/xxxxxxx.conf
                                                  driver = ldap
                                                }
                                               

                                                Thanks & Regards,
                                                Naveen
                                               


                                        Try setting

                                        log_path=/dovecot.log
                                        info_log_path=$log_path
                                        debug_log_path=$log_path
                                        ---
                                        Aki Tuomi


                        ---
                        Aki Tuomi


        ---
        Aki Tuomi


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Re: Issue running Dovecot in Docker Container

Naveen Reddy
In reply to this post by Naveen Reddy
Hi Marc, 

I can see the processes are running as a root in container environment. Do you think that still have issues ? 
Here is the processes running inside container:

bash-4.2# ps -ef
UID        PID  PPID  C STIME TTY          TIME CMD
root         1     0  0 Dec27 ?        00:00:00 /bin/bash /bootstrap.sh
root         7     1  0 Dec27 ?        00:00:00 /usr/sbin/dovecot -F -c /etc/dovecot/director.conf
root         8     1  0 Dec27 ?        00:00:00 /usr/sbin/dovecot -F
root         9     1  0 Dec27 ?        00:00:00 sleep 36000d
dovecot     10     8  0 Dec27 ?        00:00:00 dovecot-Dovecot/anvil
dovecot     14     7  0 Dec27 ?        00:00:00 dovecot-Director/anvil
root       267     8  0 Dec27 ?        00:00:00 dovecot-Dovecot/log
root       269     8  0 Dec27 ?        00:00:08 dovecot-Dovecot/config
root       281     7  0 Dec27 ?        00:00:00 dovecot-Director/log
root       283     7  0 Dec27 ?        00:00:00 dovecot-Director/config


Thanks & Regards,
Naveen


On Mon, Dec 30, 2019 at 2:56 PM Marc Roos <[hidden email]> wrote:
 
I have noticed several issues with dovecot, trying to run it without
root. Which is preferable in any container environment. Maybe you would
like me to document these somewhere? So at some point they can be
applied.


-----Original Message-----
From: Naveen Reddy [mailto:[hidden email]]
Sent: 30 December 2019 09:02
To: Aki Tuomi
Cc: [hidden email]
Subject: Re: Issue running Dovecot in Docker Container

Hi, I can see those values correctly with the doveconf -nc command. Here
is the part of output:

bash-4.2# doveconf -nc /etc/dovecot/director.conf # 2.2.36 (1f10bfa63):
/etc/dovecot/director.conf # OS: Linux 4.1.12-112.14.11.el7uek.x86_64
x86_64 Red Hat Enterprise Linux Server release 7.7 (Maipo) # Hostname:
69b492645b56 auth_debug = yes auth_default_realm = xxxxxxxxxxxxxxxx
auth_verbose = yes base_dir = /var/run/dovecot_director debug_log_path =
$log_path director_mail_servers = xxxxxxxxxxxxxxxxxx director_servers =
xxxxxxxxxxxxxxxxxxxx disable_plaintext_auth = no first_valid_uid = 1000
hostname = xxxxxxxxxxxxxxxxxxxx info_log_path = $log_path instance_name
= Director lmtp_proxy = yes log_path = /dovecot.log
login_log_format_elements = user=<%u> method=%m rip=%r lip=%l mpid=%e %c
home=%h

Thanks & Regards,
Naveen



On Fri, Dec 27, 2019 at 10:08 PM Aki Tuomi <[hidden email]>
wrote:



        Can you check with `doveconf -nc /path/to/director.conf` that the
values are actually set correctly?

        Aki

                On 27/12/2019 15:34 Naveen Reddy <[hidden email]>
wrote:



                The conf.d files are not included. I have added  !include
conf.d/*.conf to director.conf and reloaded the dovecot and director
services. 

                conf.d/10-logging also has the following lines:

                log_path = /dovecot.log
                info_log_path = $log_path
                debug_log_path = $log_path


                The /dovecot.log file still shows empty.  Nothing is being
logged to that file.


                Thanks & Regards,
                Naveen



                On Thu, Dec 26, 2019 at 10:52 PM Aki Tuomi <
[hidden email]> wrote:



                        Do you have !include or !try_include in director.conf?
The conf.d files are not included otherwise.

                        Aki

                                On 26/12/2019 11:27 Naveen Reddy <
[hidden email]> wrote:


                                I have tried these in the 10-logging.conf but no
luck. There is nothing logged to the file.

                                bash-4.2# ps -ef
                                UID        PID  PPID  C STIME TTY          TIME CMD
                                root         1     0  0 Dec23 ?        00:00:00
/bin/bash /bootstrap.sh
                                root         8     1  0 Dec23 ?        00:00:00
sleep 36000d
                                root     15681     0  0 08:51 pts/1    00:00:00 bash
                                root     16340     0  0 09:19 ?        00:00:00
/usr/sbin/dovecot -c /etc/dovecot/director.conf
                                dovecot  16341 16340  0 09:19 ?        00:00:00
dovecot-Director/anvil
                                root     16342 16340  0 09:19 ?        00:00:00
dovecot-Director/log
                                root     16344 16340  0 09:19 ?        00:00:00
dovecot-Director/config
                                root     16390     0  0 09:22 ?        00:00:00
/usr/sbin/dovecot -c /etc/dovecot/dovecot.conf
                                dovecot  16391 16390  0 09:22 ?        00:00:00
dovecot-Dovecot/anvil
                                root     16392 16390  0 09:22 ?        00:00:00
dovecot-Dovecot/log
                                root     16394 16390  0 09:22 ?        00:00:00
dovecot-Dovecot/config
                                root     16406 15681  0 09:22 pts/1    00:00:00 ps
-ef


                                The below processes are not starting as well. 

                                dovecot-Dovecot/auth
                                dovecot-Dovecot/ssl-params
                                dovecot-Director/lmtp
                                dovecot-Director/ssl-params
                                dovecot-Director/imap-login director

                                Thanks & Regards,
                                Naveen



                                On Tue, Dec 24, 2019 at 10:54 PM Aki Tuomi <
[hidden email]> wrote:





                                                On 24/12/2019 12:33 Naveen Reddy <
[hidden email]> wrote:


                                                Hello, 

                                                We need help with an issue that we are
running into when we are trying to run Dovecot in Docker container. 
                                                Also how do we enable debugging for
dovecot. Logs doesn't show any info about the issue.

                                                Below processes are not running when a
Director service is started:

                                                dovecot-Dovecot/auth
                                                dovecot-Dovecot/ssl-params
                                                dovecot-Director/lmtp
                                                dovecot-Director/ssl-params
                                                dovecot-Director/imap-login director

                                                Here is the version that I'm running and
including the dovecot -n output below:

                                                bash-4.2# dovecot --version
                                                2.2.36


                                                bash-4.2# dovecot -n
                                                # 2.2.36 (xxxxx):
/etc/dovecot/dovecot.conf
                                                # OS: Linux 4.1.12-112.14.11.el7uek.x86_64
x86_64 Red Hat Enterprise Linux Server release 7.7 (Maipo)
                                                # Hostname: XXXXXXX
                                                auth_debug = yes
                                                auth_default_realm = xxxxxxxxxxxx
                                                auth_verbose = yes
                                                disable_plaintext_auth = no
                                                dotlock_use_excl = no
                                                hostname = xxxxxxxxxxxxxxxx
                                                instance_name = Dovecot
                                                login_log_format_elements = user=<%u>
method=%m rip=%r lip=%l mpid=%e %c home=% domain=%d
                                                mail_debug = yes
                                                mail_fsync = always
                                                mail_gid = imapd
                                                mail_home = /xxxxxxxxxxx/%d/%n
                                                mail_location = dbox:~/
                                                mail_uid = imapd
                                                mmap_disable = yes
                                                passdb {
                                                  args =
/etc/dovecot/lookups/ldap-pass.conf
                                                  driver = ldap
                                                }
                                                passdb {
                                                  args = /etc/dovecot/lookups/xxxx.conf
                                                  driver = ldap
                                                }
                                                plugin {
                                                  stats_refresh = 30 secs
                                                  stats_track_cmds = yes
                                                }
                                                protocols = imap lmtp
                                                service auth {
                                                  client_limit = 4096
                                                  unix_listener auth-userdb {
                                                    mode = 0777
                                                  }
                                                }
                                                service imap-login {
                                                  chroot = login
                                                  client_limit = 0
                                                  drop_priv_before_exec = no
                                                  executable = imap-login
                                                  extra_groups =
                                                  group =
                                                  idle_kill = 0
                                                  inet_listener imap {
                                                    address =
                                                    port = 1144
                                                    ssl = no
                                                  }
                                                  inet_listener imaps {
                                                    address =
                                                    port = 994
                                                    ssl = yes
                                                  }
                                                  privileged_group =
                                                  process_limit = 0
                                                  process_min_avail = 0
                                                  protocol = imap
                                                  service_count = 50
                                                  type = login
                                                  user = $default_login_user
                                                  vsz_limit = 18446744073709551615 B
                                                }
                                                service imap {
                                                  service_count = 50
                                                }
                                                service lmtp {
                                                  executable = lmtp -L
                                                  inet_listener lmtp {
                                                    address =
                                                    port = 10025
                                                  }
                                                }
                                                service stats {
                                                  fifo_listener stats-mail {
                                                    mode = 0600
                                                    user = imapd
                                                  }
                                                }
                                                ssl_cert = </xxxxxxx/cert/dovecot.pem
                                                ssl_cipher_list = XXXXXX
                                                ssl_key =  # hidden, use -P to show it
                                                ssl_protocols = XXXXX
                                                userdb {
                                                  args =
/etc/dovecot/lookups/ldap-user.conf
                                                  driver = ldap
                                                }
                                                userdb {
                                                  args = /etc/dovecot/lookups/xxxxxxx.conf
                                                  driver = ldap
                                                }


                                                Thanks & Regards,
                                                Naveen



                                        Try setting

                                        log_path=/dovecot.log
                                        info_log_path=$log_path
                                        debug_log_path=$log_path
                                        ---
                                        Aki Tuomi


                        ---
                        Aki Tuomi


        ---
        Aki Tuomi


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|

RE: Issue running Dovecot in Docker Container

Marc Roos
 
If you are running your container as root. You will not have the issues
I encountered. Dovecot is dropping to the 'dovecot' and 'dovenull'(?)
when needed, this is fine.

PS. I would not recommend using internal logging, use something like
this to log to the host or remote syslog.
docker run -v /dev/log:/dev/log -it dovecot-proxy


-----Original Message-----
Subject: Re: Issue running Dovecot in Docker Container

Hi Marc,

I can see the processes are running as a root in container environment.
Do you think that still have issues ?
Here is the processes running inside container:

bash-4.2# ps -ef
UID        PID  PPID  C STIME TTY          TIME CMD
root         1     0  0 Dec27 ?        00:00:00 /bin/bash /bootstrap.sh
root         7     1  0 Dec27 ?        00:00:00 /usr/sbin/dovecot -F -c
/etc/dovecot/director.conf
root         8     1  0 Dec27 ?        00:00:00 /usr/sbin/dovecot -F
root         9     1  0 Dec27 ?        00:00:00 sleep 36000d
dovecot     10     8  0 Dec27 ?        00:00:00 dovecot-Dovecot/anvil
dovecot     14     7  0 Dec27 ?        00:00:00 dovecot-Director/anvil
root       267     8  0 Dec27 ?        00:00:00 dovecot-Dovecot/log
root       269     8  0 Dec27 ?        00:00:08 dovecot-Dovecot/config
root       281     7  0 Dec27 ?        00:00:00 dovecot-Director/log
root       283     7  0 Dec27 ?        00:00:00 dovecot-Director/config




Thanks & Regards,
Naveen



On Mon, Dec 30, 2019 at 2:56 PM Marc Roos <[hidden email]>
wrote:


         
        I have noticed several issues with dovecot, trying to run it
without
        root. Which is preferable in any container environment. Maybe you
would
        like me to document these somewhere? So at some point they can be
        applied.
       
       
        -----Original Message-----
        From: Naveen Reddy [mailto:[hidden email]]
        Sent: 30 December 2019 09:02
        To: Aki Tuomi
        Cc: [hidden email]
        Subject: Re: Issue running Dovecot in Docker Container
       
        Hi, I can see those values correctly with the doveconf -nc command.
Here
        is the part of output:
       
        bash-4.2# doveconf -nc /etc/dovecot/director.conf # 2.2.36
(1f10bfa63):
        /etc/dovecot/director.conf # OS: Linux
4.1.12-112.14.11.el7uek.x86_64
        x86_64 Red Hat Enterprise Linux Server release 7.7 (Maipo) #
Hostname:
        69b492645b56 auth_debug = yes auth_default_realm = xxxxxxxxxxxxxxxx

        auth_verbose = yes base_dir = /var/run/dovecot_director
debug_log_path =
        $log_path director_mail_servers = xxxxxxxxxxxxxxxxxx
director_servers =
        xxxxxxxxxxxxxxxxxxxx disable_plaintext_auth = no first_valid_uid =
1000
        hostname = xxxxxxxxxxxxxxxxxxxx info_log_path = $log_path
instance_name
        = Director lmtp_proxy = yes log_path = /dovecot.log
        login_log_format_elements = user=<%u> method=%m rip=%r lip=%l
mpid=%e %c
        home=%h
       
        Thanks & Regards,
        Naveen
       
       
       
        On Fri, Dec 27, 2019 at 10:08 PM Aki Tuomi
<[hidden email]>
        wrote:
       
       
       
                Can you check with `doveconf -nc /path/to/director.conf`
that the
        values are actually set correctly?
       
                Aki
       
                        On 27/12/2019 15:34 Naveen Reddy
<[hidden email]>
        wrote:
       
       
       
                        The conf.d files are not included. I have added  
!include
        conf.d/*.conf to director.conf and reloaded the dovecot and
director
        services.  
       
                        conf.d/10-logging also has the following lines:
       
                        log_path = /dovecot.log
                        info_log_path = $log_path
                        debug_log_path = $log_path
       
       
                        The /dovecot.log file still shows empty.  Nothing
is being
        logged to that file.
       
       
                        Thanks & Regards,
                        Naveen
       
       
       
                        On Thu, Dec 26, 2019 at 10:52 PM Aki Tuomi <
        [hidden email]> wrote:
       
       
       
                                Do you have !include or !try_include in
director.conf?
        The conf.d files are not included otherwise.
       
                                Aki
       
                                        On 26/12/2019 11:27 Naveen Reddy <
        [hidden email]> wrote:
       
       
                                        I have tried these in the
10-logging.conf but no
        luck. There is nothing logged to the file.
       
                                        bash-4.2# ps -ef
                                        UID        PID  PPID  C STIME TTY  
       TIME CMD
                                        root         1     0  0 Dec23 ?    
   00:00:00
        /bin/bash /bootstrap.sh
                                        root         8     1  0 Dec23 ?    
   00:00:00
        sleep 36000d
                                        root     15681     0  0 08:51 pts/1
   00:00:00 bash
                                        root     16340     0  0 09:19 ?    
   00:00:00
        /usr/sbin/dovecot -c /etc/dovecot/director.conf
                                        dovecot  16341 16340  0 09:19 ?    
   00:00:00
        dovecot-Director/anvil
                                        root     16342 16340  0 09:19 ?    
   00:00:00
        dovecot-Director/log
                                        root     16344 16340  0 09:19 ?    
   00:00:00
        dovecot-Director/config
                                        root     16390     0  0 09:22 ?    
   00:00:00
        /usr/sbin/dovecot -c /etc/dovecot/dovecot.conf
                                        dovecot  16391 16390  0 09:22 ?    
   00:00:00
        dovecot-Dovecot/anvil
                                        root     16392 16390  0 09:22 ?    
   00:00:00
        dovecot-Dovecot/log
                                        root     16394 16390  0 09:22 ?    
   00:00:00
        dovecot-Dovecot/config
                                        root     16406 15681  0 09:22 pts/1
   00:00:00 ps
        -ef
       
       
                                        The below processes are not
starting as well.  
       
                                        dovecot-Dovecot/auth
                                        dovecot-Dovecot/ssl-params
                                        dovecot-Director/lmtp
                                        dovecot-Director/ssl-params
                                        dovecot-Director/imap-login
director
       
                                        Thanks & Regards,
                                        Naveen
       
       
       
                                        On Tue, Dec 24, 2019 at 10:54 PM
Aki Tuomi <
        [hidden email]> wrote:
       
       
       
       
       
                                                        On 24/12/2019 12:33
Naveen Reddy <
        [hidden email]> wrote:
       
       
                                                        Hello,  
       
                                                        We need help with
an issue that we are
        running into when we are trying to run Dovecot in Docker container.
 
                                                        Also how do we
enable debugging for
        dovecot. Logs doesn't show any info about the issue.
       
                                                        Below processes are
not running when a
        Director service is started:
       
                                                       
dovecot-Dovecot/auth
                                                       
dovecot-Dovecot/ssl-params
                                                       
dovecot-Director/lmtp
                                                       
dovecot-Director/ssl-params
                                                       
dovecot-Director/imap-login director
       
                                                        Here is the version
that I'm running and
        including the dovecot -n output below:
       
                                                        bash-4.2# dovecot
--version
                                                        2.2.36
       
       
                                                        bash-4.2# dovecot
-n
                                                        # 2.2.36 (xxxxx):
        /etc/dovecot/dovecot.conf
                                                        # OS: Linux
4.1.12-112.14.11.el7uek.x86_64
        x86_64 Red Hat Enterprise Linux Server release 7.7 (Maipo)
                                                        # Hostname: XXXXXXX
                                                        auth_debug = yes
                                                        auth_default_realm
= xxxxxxxxxxxx
                                                        auth_verbose = yes
                                                       
disable_plaintext_auth = no
                                                        dotlock_use_excl =
no
                                                        hostname =
xxxxxxxxxxxxxxxx
                                                        instance_name =
Dovecot
                                                       
login_log_format_elements = user=<%u>
        method=%m rip=%r lip=%l mpid=%e %c home=% domain=%d
                                                        mail_debug = yes
                                                        mail_fsync = always
                                                        mail_gid = imapd
                                                        mail_home =
/xxxxxxxxxxx/%d/%n
                                                        mail_location =
dbox:~/
                                                        mail_uid = imapd
                                                        mmap_disable = yes
                                                        passdb {
                                                          args =
        /etc/dovecot/lookups/ldap-pass.conf
                                                          driver = ldap
                                                        }
                                                        passdb {
                                                          args =
/etc/dovecot/lookups/xxxx.conf
                                                          driver = ldap
                                                        }
                                                        plugin {
                                                          stats_refresh =
30 secs
                                                          stats_track_cmds
= yes
                                                        }
                                                        protocols = imap
lmtp
                                                        service auth {
                                                          client_limit =
4096
                                                          unix_listener
auth-userdb {
                                                            mode = 0777
                                                          }
                                                        }
                                                        service imap-login
{
                                                          chroot = login
                                                          client_limit = 0
                                                         
drop_priv_before_exec = no
                                                          executable =
imap-login
                                                          extra_groups =
                                                          group =
                                                          idle_kill = 0
                                                          inet_listener
imap {
                                                            address =
                                                            port = 1144
                                                            ssl = no
                                                          }
                                                          inet_listener
imaps {
                                                            address =
                                                            port = 994
                                                            ssl = yes
                                                          }
                                                          privileged_group
=
                                                          process_limit = 0
                                                          process_min_avail
= 0
                                                          protocol = imap
                                                          service_count =
50
                                                          type = login
                                                          user =
$default_login_user
                                                          vsz_limit =
18446744073709551615 B
                                                        }
                                                        service imap {
                                                          service_count =
50
                                                        }
                                                        service lmtp {
                                                          executable = lmtp
-L
                                                          inet_listener
lmtp {
                                                            address =
                                                            port = 10025
                                                          }
                                                        }
                                                        service stats {
                                                          fifo_listener
stats-mail {
                                                            mode = 0600
                                                            user = imapd
                                                          }
                                                        }
                                                        ssl_cert =
</xxxxxxx/cert/dovecot.pem
                                                        ssl_cipher_list =
XXXXXX
                                                        ssl_key =  #
hidden, use -P to show it
                                                        ssl_protocols =
XXXXX
                                                        userdb {
                                                          args =
        /etc/dovecot/lookups/ldap-user.conf
                                                          driver = ldap
                                                        }
                                                        userdb {
                                                          args =
/etc/dovecot/lookups/xxxxxxx.conf
                                                          driver = ldap
                                                        }
       
       
                                                        Thanks & Regards,
                                                        Naveen
       
       
       
                                                Try setting
       
                                                log_path=/dovecot.log
                                                info_log_path=$log_path
                                                debug_log_path=$log_path
                                                ---
                                                Aki Tuomi
       
       
                                ---
                                Aki Tuomi
       
       
                ---
                Aki Tuomi
       
       
       


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Re: Issue running Dovecot in Docker Container

Naveen Reddy
In reply to this post by Naveen Reddy
I'm not using internal logging. I'm running the docker with the logging to the host. 
I have used the same options you have specified. 
The problem is that the below processes are not running inside docker container whereas the standalone dovecot is running these processes(meaning without container)

dovecot-Dovecot/auth
dovecot-Dovecot/ssl-params
dovecot-Director/lmtp
dovecot-Director/ssl-params
dovecot-Director/imap-login director

Thanks & Regards,
Naveen


On Mon, Dec 30, 2019 at 3:16 PM Marc Roos <[hidden email]> wrote:
 
If you are running your container as root. You will not have the issues
I encountered. Dovecot is dropping to the 'dovecot' and 'dovenull'(?)
when needed, this is fine.

PS. I would not recommend using internal logging, use something like
this to log to the host or remote syslog.
docker run -v /dev/log:/dev/log -it dovecot-proxy


-----Original Message-----
Subject: Re: Issue running Dovecot in Docker Container

Hi Marc,

I can see the processes are running as a root in container environment.
Do you think that still have issues ?
Here is the processes running inside container:

bash-4.2# ps -ef
UID        PID  PPID  C STIME TTY          TIME CMD
root         1     0  0 Dec27 ?        00:00:00 /bin/bash /bootstrap.sh
root         7     1  0 Dec27 ?        00:00:00 /usr/sbin/dovecot -F -c
/etc/dovecot/director.conf
root         8     1  0 Dec27 ?        00:00:00 /usr/sbin/dovecot -F
root         9     1  0 Dec27 ?        00:00:00 sleep 36000d
dovecot     10     8  0 Dec27 ?        00:00:00 dovecot-Dovecot/anvil
dovecot     14     7  0 Dec27 ?        00:00:00 dovecot-Director/anvil
root       267     8  0 Dec27 ?        00:00:00 dovecot-Dovecot/log
root       269     8  0 Dec27 ?        00:00:08 dovecot-Dovecot/config
root       281     7  0 Dec27 ?        00:00:00 dovecot-Director/log
root       283     7  0 Dec27 ?        00:00:00 dovecot-Director/config




Thanks & Regards,
Naveen



On Mon, Dec 30, 2019 at 2:56 PM Marc Roos <[hidden email]>
wrote:



        I have noticed several issues with dovecot, trying to run it
without
        root. Which is preferable in any container environment. Maybe you
would
        like me to document these somewhere? So at some point they can be
        applied.


        -----Original Message-----
        From: Naveen Reddy [mailto:[hidden email]]
        Sent: 30 December 2019 09:02
        To: Aki Tuomi
        Cc: [hidden email]
        Subject: Re: Issue running Dovecot in Docker Container

        Hi, I can see those values correctly with the doveconf -nc command.
Here
        is the part of output:

        bash-4.2# doveconf -nc /etc/dovecot/director.conf # 2.2.36
(1f10bfa63):
        /etc/dovecot/director.conf # OS: Linux
4.1.12-112.14.11.el7uek.x86_64
        x86_64 Red Hat Enterprise Linux Server release 7.7 (Maipo) #
Hostname:
        69b492645b56 auth_debug = yes auth_default_realm = xxxxxxxxxxxxxxxx

        auth_verbose = yes base_dir = /var/run/dovecot_director
debug_log_path =
        $log_path director_mail_servers = xxxxxxxxxxxxxxxxxx
director_servers =
        xxxxxxxxxxxxxxxxxxxx disable_plaintext_auth = no first_valid_uid =
1000
        hostname = xxxxxxxxxxxxxxxxxxxx info_log_path = $log_path
instance_name
        = Director lmtp_proxy = yes log_path = /dovecot.log
        login_log_format_elements = user=<%u> method=%m rip=%r lip=%l
mpid=%e %c
        home=%h

        Thanks & Regards,
        Naveen



        On Fri, Dec 27, 2019 at 10:08 PM Aki Tuomi
<[hidden email]>
        wrote:



                Can you check with `doveconf -nc /path/to/director.conf`
that the
        values are actually set correctly?

                Aki

                        On 27/12/2019 15:34 Naveen Reddy
<[hidden email]>
        wrote:



                        The conf.d files are not included. I have added 
!include
        conf.d/*.conf to director.conf and reloaded the dovecot and
director
        services. 

                        conf.d/10-logging also has the following lines:

                        log_path = /dovecot.log
                        info_log_path = $log_path
                        debug_log_path = $log_path


                        The /dovecot.log file still shows empty.  Nothing
is being
        logged to that file.


                        Thanks & Regards,
                        Naveen



                        On Thu, Dec 26, 2019 at 10:52 PM Aki Tuomi <
        [hidden email]> wrote:



                                Do you have !include or !try_include in
director.conf?
        The conf.d files are not included otherwise.

                                Aki

                                        On 26/12/2019 11:27 Naveen Reddy <
        [hidden email]> wrote:


                                        I have tried these in the
10-logging.conf but no
        luck. There is nothing logged to the file.

                                        bash-4.2# ps -ef
                                        UID        PID  PPID  C STIME TTY   
       TIME CMD
                                        root         1     0  0 Dec23 ?     
   00:00:00
        /bin/bash /bootstrap.sh
                                        root         8     1  0 Dec23 ?     
   00:00:00
        sleep 36000d
                                        root     15681     0  0 08:51 pts/1
   00:00:00 bash
                                        root     16340     0  0 09:19 ?     
   00:00:00
        /usr/sbin/dovecot -c /etc/dovecot/director.conf
                                        dovecot  16341 16340  0 09:19 ?     
   00:00:00
        dovecot-Director/anvil
                                        root     16342 16340  0 09:19 ?     
   00:00:00
        dovecot-Director/log
                                        root     16344 16340  0 09:19 ?     
   00:00:00
        dovecot-Director/config
                                        root     16390     0  0 09:22 ?     
   00:00:00
        /usr/sbin/dovecot -c /etc/dovecot/dovecot.conf
                                        dovecot  16391 16390  0 09:22 ?     
   00:00:00
        dovecot-Dovecot/anvil
                                        root     16392 16390  0 09:22 ?     
   00:00:00
        dovecot-Dovecot/log
                                        root     16394 16390  0 09:22 ?     
   00:00:00
        dovecot-Dovecot/config
                                        root     16406 15681  0 09:22 pts/1
   00:00:00 ps
        -ef


                                        The below processes are not
starting as well. 

                                        dovecot-Dovecot/auth
                                        dovecot-Dovecot/ssl-params
                                        dovecot-Director/lmtp
                                        dovecot-Director/ssl-params
                                        dovecot-Director/imap-login
director

                                        Thanks & Regards,
                                        Naveen



                                        On Tue, Dec 24, 2019 at 10:54 PM
Aki Tuomi <
        [hidden email]> wrote:





                                                        On 24/12/2019 12:33
Naveen Reddy <
        [hidden email]> wrote:


                                                        Hello, 

                                                        We need help with
an issue that we are
        running into when we are trying to run Dovecot in Docker container.

                                                        Also how do we
enable debugging for
        dovecot. Logs doesn't show any info about the issue.

                                                        Below processes are
not running when a
        Director service is started:


dovecot-Dovecot/auth

dovecot-Dovecot/ssl-params

dovecot-Director/lmtp

dovecot-Director/ssl-params

dovecot-Director/imap-login director

                                                        Here is the version
that I'm running and
        including the dovecot -n output below:

                                                        bash-4.2# dovecot
--version
                                                        2.2.36


                                                        bash-4.2# dovecot
-n
                                                        # 2.2.36 (xxxxx):
        /etc/dovecot/dovecot.conf
                                                        # OS: Linux
4.1.12-112.14.11.el7uek.x86_64
        x86_64 Red Hat Enterprise Linux Server release 7.7 (Maipo)
                                                        # Hostname: XXXXXXX
                                                        auth_debug = yes
                                                        auth_default_realm
= xxxxxxxxxxxx
                                                        auth_verbose = yes

disable_plaintext_auth = no
                                                        dotlock_use_excl =
no
                                                        hostname =
xxxxxxxxxxxxxxxx
                                                        instance_name =
Dovecot

login_log_format_elements = user=<%u>
        method=%m rip=%r lip=%l mpid=%e %c home=% domain=%d
                                                        mail_debug = yes
                                                        mail_fsync = always
                                                        mail_gid = imapd
                                                        mail_home =
/xxxxxxxxxxx/%d/%n
                                                        mail_location =
dbox:~/
                                                        mail_uid = imapd
                                                        mmap_disable = yes
                                                        passdb {
                                                          args =
        /etc/dovecot/lookups/ldap-pass.conf
                                                          driver = ldap
                                                        }
                                                        passdb {
                                                          args =
/etc/dovecot/lookups/xxxx.conf
                                                          driver = ldap
                                                        }
                                                        plugin {
                                                          stats_refresh =
30 secs
                                                          stats_track_cmds
= yes
                                                        }
                                                        protocols = imap
lmtp
                                                        service auth {
                                                          client_limit =
4096
                                                          unix_listener
auth-userdb {
                                                            mode = 0777
                                                          }
                                                        }
                                                        service imap-login
{
                                                          chroot = login
                                                          client_limit = 0

drop_priv_before_exec = no
                                                          executable =
imap-login
                                                          extra_groups =
                                                          group =
                                                          idle_kill = 0
                                                          inet_listener
imap {
                                                            address =
                                                            port = 1144
                                                            ssl = no
                                                          }
                                                          inet_listener
imaps {
                                                            address =
                                                            port = 994
                                                            ssl = yes
                                                          }
                                                          privileged_group
=
                                                          process_limit = 0
                                                          process_min_avail
= 0
                                                          protocol = imap
                                                          service_count =
50
                                                          type = login
                                                          user =
$default_login_user
                                                          vsz_limit =
18446744073709551615 B
                                                        }
                                                        service imap {
                                                          service_count =
50
                                                        }
                                                        service lmtp {
                                                          executable = lmtp
-L
                                                          inet_listener
lmtp {
                                                            address =
                                                            port = 10025
                                                          }
                                                        }
                                                        service stats {
                                                          fifo_listener
stats-mail {
                                                            mode = 0600
                                                            user = imapd
                                                          }
                                                        }
                                                        ssl_cert =
</xxxxxxx/cert/dovecot.pem
                                                        ssl_cipher_list =
XXXXXX
                                                        ssl_key =  #
hidden, use -P to show it
                                                        ssl_protocols =
XXXXX
                                                        userdb {
                                                          args =
        /etc/dovecot/lookups/ldap-user.conf
                                                          driver = ldap
                                                        }
                                                        userdb {
                                                          args =
/etc/dovecot/lookups/xxxxxxx.conf
                                                          driver = ldap
                                                        }


                                                        Thanks & Regards,
                                                        Naveen



                                                Try setting

                                                log_path=/dovecot.log
                                                info_log_path=$log_path
                                                debug_log_path=$log_path
                                                ---
                                                Aki Tuomi


                                ---
                                Aki Tuomi


                ---
                Aki Tuomi





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RE: Issue running Dovecot in Docker Container

Marc Roos

Maybe start over with your configuration. Start with default setup, see
if everything is running and then start changing the configuration step
by step, see when it goes wrong. I saw you have some ldap configs, maybe
outside communication fails, acls? sff level?
I saw you were using this el7. I am also fan of using 'professional
supported' distributions like el7/centos7. But have a look at this
alpine linux. My dovecot-proxy container is only 30MB vs 300MB on el7.

-----Original Message-----
From: Naveen Reddy [mailto:[hidden email]]
Sent: 30 December 2019 11:19
To: Marc Roos
Cc: dovecot
Subject: Re: Issue running Dovecot in Docker Container

I'm not using internal logging. I'm running the docker with the logging
to the host.
I have used the same options you have specified.

The problem is that the below processes are not running inside docker
container whereas the standalone dovecot is running these
processes(meaning without container)

dovecot-Dovecot/auth
dovecot-Dovecot/ssl-params
dovecot-Director/lmtp
dovecot-Director/ssl-params
dovecot-Director/imap-login director

Thanks & Regards,
Naveen



On Mon, Dec 30, 2019 at 3:16 PM > wrote:


         
        If you are running your container as root. You will not have the
issues
        I encountered. Dovecot is dropping to the 'dovecot' and
'dovenull'(?)
        when needed, this is fine.
       
        PS. I would not recommend using internal logging, use something
like
        this to log to the host or remote syslog.
        docker run -v /dev/log:/dev/log -it dovecot-proxy
       
       
        -----Original Message-----
        Subject: Re: Issue running Dovecot in Docker Container
       
        Hi Marc,
       
        I can see the processes are running as a root in container
environment.
        Do you think that still have issues ?
        Here is the processes running inside container:
       
        bash-4.2# ps -ef
        UID        PID  PPID  C STIME TTY          TIME CMD
        root         1     0  0 Dec27 ?        00:00:00 /bin/bash
/bootstrap.sh
        root         7     1  0 Dec27 ?        00:00:00 /usr/sbin/dovecot
-F -c
        /etc/dovecot/director.conf
        root         8     1  0 Dec27 ?        00:00:00 /usr/sbin/dovecot
-F
        root         9     1  0 Dec27 ?        00:00:00 sleep 36000d
        dovecot     10     8  0 Dec27 ?        00:00:00
dovecot-Dovecot/anvil
        dovecot     14     7  0 Dec27 ?        00:00:00
dovecot-Director/anvil
        root       267     8  0 Dec27 ?        00:00:00 dovecot-Dovecot/log
        root       269     8  0 Dec27 ?        00:00:08
dovecot-Dovecot/config
        root       281     7  0 Dec27 ?        00:00:00
dovecot-Director/log
        root       283     7  0 Dec27 ?        00:00:00
dovecot-Director/config
       
       
       
       
        Thanks & Regards,
        Naveen
       
       

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|

Re: Issue running Dovecot in Docker Container

Aki Tuomi-3
In reply to this post by Naveen Reddy
You could also try our docker images, see https://hub.docker.com/u/dovecot

Aki
On 30/12/2019 12:18 Naveen Reddy <[hidden email]> wrote:


I'm not using internal logging. I'm running the docker with the logging to the host. 
I have used the same options you have specified. 
The problem is that the below processes are not running inside docker container whereas the standalone dovecot is running these processes(meaning without container)

dovecot-Dovecot/auth
dovecot-Dovecot/ssl-params
dovecot-Director/lmtp
dovecot-Director/ssl-params
dovecot-Director/imap-login director

Thanks & Regards,
Naveen


On Mon, Dec 30, 2019 at 3:16 PM Marc Roos < [hidden email]> wrote:
 
If you are running your container as root. You will not have the issues
I encountered. Dovecot is dropping to the 'dovecot' and 'dovenull'(?)
when needed, this is fine.

PS. I would not recommend using internal logging, use something like
this to log to the host or remote syslog.
docker run -v /dev/log:/dev/log -it dovecot-proxy


-----Original Message-----
Subject: Re: Issue running Dovecot in Docker Container

Hi Marc,

I can see the processes are running as a root in container environment.
Do you think that still have issues ?
Here is the processes running inside container:

bash-4.2# ps -ef
UID        PID  PPID  C STIME TTY          TIME CMD
root         1     0  0 Dec27 ?        00:00:00 /bin/bash /bootstrap.sh
root         7     1  0 Dec27 ?        00:00:00 /usr/sbin/dovecot -F -c
/etc/dovecot/director.conf
root         8     1  0 Dec27 ?        00:00:00 /usr/sbin/dovecot -F
root         9     1  0 Dec27 ?        00:00:00 sleep 36000d
dovecot     10     8  0 Dec27 ?        00:00:00 dovecot-Dovecot/anvil
dovecot     14     7  0 Dec27 ?        00:00:00 dovecot-Director/anvil
root       267     8  0 Dec27 ?        00:00:00 dovecot-Dovecot/log
root       269     8  0 Dec27 ?        00:00:08 dovecot-Dovecot/config
root       281     7  0 Dec27 ?        00:00:00 dovecot-Director/log
root       283     7  0 Dec27 ?        00:00:00 dovecot-Director/config




Thanks & Regards,
Naveen



On Mon, Dec 30, 2019 at 2:56 PM Marc Roos < [hidden email]>
wrote:



        I have noticed several issues with dovecot, trying to run it
without
        root. Which is preferable in any container environment. Maybe you
would
        like me to document these somewhere? So at some point they can be
        applied.


        -----Original Message-----
        From: Naveen Reddy [mailto: [hidden email]]
        Sent: 30 December 2019 09:02
        To: Aki Tuomi
        Cc: [hidden email]
        Subject: Re: Issue running Dovecot in Docker Container

        Hi, I can see those values correctly with the doveconf -nc command.
Here
        is the part of output:

        bash-4.2# doveconf -nc /etc/dovecot/director.conf # 2.2.36
(1f10bfa63):
        /etc/dovecot/director.conf # OS: Linux
4.1.12-112.14.11.el7uek.x86_64
        x86_64 Red Hat Enterprise Linux Server release 7.7 (Maipo) #
Hostname:
        69b492645b56 auth_debug = yes auth_default_realm = xxxxxxxxxxxxxxxx

        auth_verbose = yes base_dir = /var/run/dovecot_director
debug_log_path =
        $log_path director_mail_servers = xxxxxxxxxxxxxxxxxx
director_servers =
        xxxxxxxxxxxxxxxxxxxx disable_plaintext_auth = no first_valid_uid =
1000
        hostname = xxxxxxxxxxxxxxxxxxxx info_log_path = $log_path
instance_name
        = Director lmtp_proxy = yes log_path = /dovecot.log
        login_log_format_elements = user=<%u> method=%m rip=%r lip=%l
mpid=%e %c
        home=%h

        Thanks & Regards,
        Naveen



        On Fri, Dec 27, 2019 at 10:08 PM Aki Tuomi
< [hidden email]>
        wrote:



                Can you check with `doveconf -nc /path/to/director.conf`
that the
        values are actually set correctly?

                Aki

                        On 27/12/2019 15:34 Naveen Reddy
< [hidden email]>
        wrote:



                        The conf.d files are not included. I have added 
!include
        conf.d/*.conf to director.conf and reloaded the dovecot and
director
        services. 

                        conf.d/10-logging also has the following lines:

                        log_path = /dovecot.log
                        info_log_path = $log_path
                        debug_log_path = $log_path


                        The /dovecot.log file still shows empty.  Nothing
is being
        logged to that file.


                        Thanks & Regards,
                        Naveen



                        On Thu, Dec 26, 2019 at 10:52 PM Aki Tuomi <
        [hidden email]> wrote:



                                Do you have !include or !try_include in
director.conf?
        The conf.d files are not included otherwise.

                                Aki

                                        On 26/12/2019 11:27 Naveen Reddy <
        [hidden email]> wrote:


                                        I have tried these in the
10-logging.conf but no
        luck. There is nothing logged to the file.

                                        bash-4.2# ps -ef
                                        UID        PID  PPID  C STIME TTY   
       TIME CMD
                                        root         1     0  0 Dec23 ?     
   00:00:00
        /bin/bash /bootstrap.sh
                                        root         8     1  0 Dec23 ?     
   00:00:00
        sleep 36000d
                                        root     15681     0  0 08:51 pts/1
   00:00:00 bash
                                        root     16340     0  0 09:19 ?     
   00:00:00
        /usr/sbin/dovecot -c /etc/dovecot/director.conf
                                        dovecot  16341 16340  0 09:19 ?     
   00:00:00
        dovecot-Director/anvil
                                        root     16342 16340  0 09:19 ?     
   00:00:00
        dovecot-Director/log
                                        root     16344 16340  0 09:19 ?     
   00:00:00
        dovecot-Director/config
                                        root     16390     0  0 09:22 ?     
   00:00:00
        /usr/sbin/dovecot -c /etc/dovecot/dovecot.conf
                                        dovecot  16391 16390  0 09:22 ?     
   00:00:00
        dovecot-Dovecot/anvil
                                        root     16392 16390  0 09:22 ?     
   00:00:00
        dovecot-Dovecot/log
                                        root     16394 16390  0 09:22 ?     
   00:00:00
        dovecot-Dovecot/config
                                        root     16406 15681  0 09:22 pts/1
   00:00:00 ps
        -ef


                                        The below processes are not
starting as well. 

                                        dovecot-Dovecot/auth
                                        dovecot-Dovecot/ssl-params
                                        dovecot-Director/lmtp
                                        dovecot-Director/ssl-params
                                        dovecot-Director/imap-login
director

                                        Thanks & Regards,
                                        Naveen



                                        On Tue, Dec 24, 2019 at 10:54 PM
Aki Tuomi <
        [hidden email]> wrote:





                                                        On 24/12/2019 12:33
Naveen Reddy <
        [hidden email]> wrote:


                                                        Hello, 

                                                        We need help with
an issue that we are
        running into when we are trying to run Dovecot in Docker container.

                                                        Also how do we
enable debugging for
        dovecot. Logs doesn't show any info about the issue.

                                                        Below processes are
not running when a
        Director service is started:


dovecot-Dovecot/auth

dovecot-Dovecot/ssl-params

dovecot-Director/lmtp

dovecot-Director/ssl-params

dovecot-Director/imap-login director

                                                        Here is the version
that I'm running and
        including the dovecot -n output below:

                                                        bash-4.2# dovecot
--version
                                                        2.2.36


                                                        bash-4.2# dovecot
-n
                                                        # 2.2.36 (xxxxx):
        /etc/dovecot/dovecot.conf
                                                        # OS: Linux
4.1.12-112.14.11.el7uek.x86_64
        x86_64 Red Hat Enterprise Linux Server release 7.7 (Maipo)
                                                        # Hostname: XXXXXXX
                                                        auth_debug = yes
                                                        auth_default_realm
= xxxxxxxxxxxx
                                                        auth_verbose = yes

disable_plaintext_auth = no
                                                        dotlock_use_excl =
no
                                                        hostname =
xxxxxxxxxxxxxxxx
                                                        instance_name =
Dovecot

login_log_format_elements = user=<%u>
        method=%m rip=%r lip=%l mpid=%e %c home=% domain=%d
                                                        mail_debug = yes
                                                        mail_fsync = always
                                                        mail_gid = imapd
                                                        mail_home =
/xxxxxxxxxxx/%d/%n
                                                        mail_location =
dbox:~/
                                                        mail_uid = imapd
                                                        mmap_disable = yes
                                                        passdb {
                                                          args =
        /etc/dovecot/lookups/ldap-pass.conf
                                                          driver = ldap
                                                        }
                                                        passdb {
                                                          args =
/etc/dovecot/lookups/xxxx.conf
                                                          driver = ldap
                                                        }
                                                        plugin {
                                                          stats_refresh =
30 secs
                                                          stats_track_cmds
= yes
                                                        }
                                                        protocols = imap
lmtp
                                                        service auth {
                                                          client_limit =
4096
                                                          unix_listener
auth-userdb {
                                                            mode = 0777
                                                          }
                                                        }
                                                        service imap-login
{
                                                          chroot = login
                                                          client_limit = 0

drop_priv_before_exec = no
                                                          executable =
imap-login
                                                          extra_groups =
                                                          group =
                                                          idle_kill = 0
                                                          inet_listener
imap {
                                                            address =
                                                            port = 1144
                                                            ssl = no
                                                          }
                                                          inet_listener
imaps {
                                                            address =
                                                            port = 994
                                                            ssl = yes
                                                          }
                                                          privileged_group
=
                                                          process_limit = 0
                                                          process_min_avail
= 0
                                                          protocol = imap
                                                          service_count =
50
                                                          type = login
                                                          user =
$default_login_user
                                                          vsz_limit =
18446744073709551615 B
                                                        }
                                                        service imap {
                                                          service_count =
50
                                                        }
                                                        service lmtp {
                                                          executable = lmtp
-L
                                                          inet_listener
lmtp {
                                                            address =
                                                            port = 10025
                                                          }
                                                        }
                                                        service stats {
                                                          fifo_listener
stats-mail {
                                                            mode = 0600
                                                            user = imapd
                                                          }
                                                        }
                                                        ssl_cert =
</xxxxxxx/cert/dovecot.pem
                                                        ssl_cipher_list =
XXXXXX
                                                        ssl_key =  #
hidden, use -P to show it
                                                        ssl_protocols =
XXXXX
                                                        userdb {
                                                          args =
        /etc/dovecot/lookups/ldap-user.conf
                                                          driver = ldap
                                                        }
                                                        userdb {
                                                          args =
/etc/dovecot/lookups/xxxxxxx.conf
                                                          driver = ldap
                                                        }


                                                        Thanks & Regards,
                                                        Naveen



                                                Try setting

                                                log_path=/dovecot.log
                                                info_log_path=$log_path
                                                debug_log_path=$log_path
                                                ---
                                                Aki Tuomi


                                ---
                                Aki Tuomi


                ---
                Aki Tuomi






---
Aki Tuomi
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Re: Issue running Dovecot in Docker Container

Naveen Reddy
Aki, This image doesn't have a director service, just the dovecot is running.

Marc, I'm running the docker container in a privileged mode and it doesn't seem to have any issues reaching out to the outside network.  I will try running with default config and see what fails. 

Thanks & Regards,
Naveen


On Mon, Dec 30, 2019 at 4:16 PM Aki Tuomi <[hidden email]> wrote:
You could also try our docker images, see https://hub.docker.com/u/dovecot

Aki
On 30/12/2019 12:18 Naveen Reddy <[hidden email]> wrote:


I'm not using internal logging. I'm running the docker with the logging to the host. 
I have used the same options you have specified. 
The problem is that the below processes are not running inside docker container whereas the standalone dovecot is running these processes(meaning without container)

dovecot-Dovecot/auth
dovecot-Dovecot/ssl-params
dovecot-Director/lmtp
dovecot-Director/ssl-params
dovecot-Director/imap-login director

Thanks & Regards,
Naveen


On Mon, Dec 30, 2019 at 3:16 PM Marc Roos < [hidden email]> wrote:
 
If you are running your container as root. You will not have the issues
I encountered. Dovecot is dropping to the 'dovecot' and 'dovenull'(?)
when needed, this is fine.

PS. I would not recommend using internal logging, use something like
this to log to the host or remote syslog.
docker run -v /dev/log:/dev/log -it dovecot-proxy


-----Original Message-----
Subject: Re: Issue running Dovecot in Docker Container

Hi Marc,

I can see the processes are running as a root in container environment.
Do you think that still have issues ?
Here is the processes running inside container:

bash-4.2# ps -ef
UID        PID  PPID  C STIME TTY          TIME CMD
root         1     0  0 Dec27 ?        00:00:00 /bin/bash /bootstrap.sh
root         7     1  0 Dec27 ?        00:00:00 /usr/sbin/dovecot -F -c
/etc/dovecot/director.conf
root         8     1  0 Dec27 ?        00:00:00 /usr/sbin/dovecot -F
root         9     1  0 Dec27 ?        00:00:00 sleep 36000d
dovecot     10     8  0 Dec27 ?        00:00:00 dovecot-Dovecot/anvil
dovecot     14     7  0 Dec27 ?        00:00:00 dovecot-Director/anvil
root       267     8  0 Dec27 ?        00:00:00 dovecot-Dovecot/log
root       269     8  0 Dec27 ?        00:00:08 dovecot-Dovecot/config
root       281     7  0 Dec27 ?        00:00:00 dovecot-Director/log
root       283     7  0 Dec27 ?        00:00:00 dovecot-Director/config




Thanks & Regards,
Naveen



On Mon, Dec 30, 2019 at 2:56 PM Marc Roos < [hidden email]>
wrote:



        I have noticed several issues with dovecot, trying to run it
without
        root. Which is preferable in any container environment. Maybe you
would
        like me to document these somewhere? So at some point they can be
        applied.


        -----Original Message-----
        From: Naveen Reddy [mailto: [hidden email]]
        Sent: 30 December 2019 09:02
        To: Aki Tuomi
        Cc: [hidden email]
        Subject: Re: Issue running Dovecot in Docker Container

        Hi, I can see those values correctly with the doveconf -nc command.
Here
        is the part of output:

        bash-4.2# doveconf -nc /etc/dovecot/director.conf # 2.2.36
(1f10bfa63):
        /etc/dovecot/director.conf # OS: Linux
4.1.12-112.14.11.el7uek.x86_64
        x86_64 Red Hat Enterprise Linux Server release 7.7 (Maipo) #
Hostname:
        69b492645b56 auth_debug = yes auth_default_realm = xxxxxxxxxxxxxxxx

        auth_verbose = yes base_dir = /var/run/dovecot_director
debug_log_path =
        $log_path director_mail_servers = xxxxxxxxxxxxxxxxxx
director_servers =
        xxxxxxxxxxxxxxxxxxxx disable_plaintext_auth = no first_valid_uid =
1000
        hostname = xxxxxxxxxxxxxxxxxxxx info_log_path = $log_path
instance_name
        = Director lmtp_proxy = yes log_path = /dovecot.log
        login_log_format_elements = user=<%u> method=%m rip=%r lip=%l
mpid=%e %c
        home=%h

        Thanks & Regards,
        Naveen



        On Fri, Dec 27, 2019 at 10:08 PM Aki Tuomi
< [hidden email]>
        wrote:



                Can you check with `doveconf -nc /path/to/director.conf`
that the
        values are actually set correctly?

                Aki

                        On 27/12/2019 15:34 Naveen Reddy
< [hidden email]>
        wrote:



                        The conf.d files are not included. I have added 
!include
        conf.d/*.conf to director.conf and reloaded the dovecot and
director
        services. 

                        conf.d/10-logging also has the following lines:

                        log_path = /dovecot.log
                        info_log_path = $log_path
                        debug_log_path = $log_path


                        The /dovecot.log file still shows empty.  Nothing
is being
        logged to that file.


                        Thanks & Regards,
                        Naveen



                        On Thu, Dec 26, 2019 at 10:52 PM Aki Tuomi <
        [hidden email]> wrote:



                                Do you have !include or !try_include in
director.conf?
        The conf.d files are not included otherwise.

                                Aki

                                        On 26/12/2019 11:27 Naveen Reddy <
        [hidden email]> wrote:


                                        I have tried these in the
10-logging.conf but no
        luck. There is nothing logged to the file.

                                        bash-4.2# ps -ef
                                        UID        PID  PPID  C STIME TTY   
       TIME CMD
                                        root         1     0  0 Dec23 ?     
   00:00:00
        /bin/bash /bootstrap.sh
                                        root         8     1  0 Dec23 ?     
   00:00:00
        sleep 36000d
                                        root     15681     0  0 08:51 pts/1
   00:00:00 bash
                                        root     16340     0  0 09:19 ?     
   00:00:00
        /usr/sbin/dovecot -c /etc/dovecot/director.conf
                                        dovecot  16341 16340  0 09:19 ?     
   00:00:00
        dovecot-Director/anvil
                                        root     16342 16340  0 09:19 ?     
   00:00:00
        dovecot-Director/log
                                        root     16344 16340  0 09:19 ?     
   00:00:00
        dovecot-Director/config
                                        root     16390     0  0 09:22 ?     
   00:00:00
        /usr/sbin/dovecot -c /etc/dovecot/dovecot.conf
                                        dovecot  16391 16390  0 09:22 ?     
   00:00:00
        dovecot-Dovecot/anvil
                                        root     16392 16390  0 09:22 ?     
   00:00:00
        dovecot-Dovecot/log
                                        root     16394 16390  0 09:22 ?     
   00:00:00
        dovecot-Dovecot/config
                                        root     16406 15681  0 09:22 pts/1
   00:00:00 ps
        -ef


                                        The below processes are not
starting as well. 

                                        dovecot-Dovecot/auth
                                        dovecot-Dovecot/ssl-params
                                        dovecot-Director/lmtp
                                        dovecot-Director/ssl-params
                                        dovecot-Director/imap-login
director

                                        Thanks & Regards,
                                        Naveen



                                        On Tue, Dec 24, 2019 at 10:54 PM
Aki Tuomi <
        [hidden email]> wrote:





                                                        On 24/12/2019 12:33
Naveen Reddy <
        [hidden email]> wrote:


                                                        Hello, 

                                                        We need help with
an issue that we are
        running into when we are trying to run Dovecot in Docker container.

                                                        Also how do we
enable debugging for
        dovecot. Logs doesn't show any info about the issue.

                                                        Below processes are
not running when a
        Director service is started:


dovecot-Dovecot/auth

dovecot-Dovecot/ssl-params

dovecot-Director/lmtp

dovecot-Director/ssl-params

dovecot-Director/imap-login director

                                                        Here is the version
that I'm running and
        including the dovecot -n output below:

                                                        bash-4.2# dovecot
--version
                                                        2.2.36


                                                        bash-4.2# dovecot
-n
                                                        # 2.2.36 (xxxxx):
        /etc/dovecot/dovecot.conf
                                                        # OS: Linux
4.1.12-112.14.11.el7uek.x86_64
        x86_64 Red Hat Enterprise Linux Server release 7.7 (Maipo)
                                                        # Hostname: XXXXXXX
                                                        auth_debug = yes
                                                        auth_default_realm
= xxxxxxxxxxxx
                                                        auth_verbose = yes

disable_plaintext_auth = no
                                                        dotlock_use_excl =
no
                                                        hostname =
xxxxxxxxxxxxxxxx
                                                        instance_name =
Dovecot

login_log_format_elements = user=<%u>
        method=%m rip=%r lip=%l mpid=%e %c home=% domain=%d
                                                        mail_debug = yes
                                                        mail_fsync = always
                                                        mail_gid = imapd
                                                        mail_home =
/xxxxxxxxxxx/%d/%n
                                                        mail_location =
dbox:~/
                                                        mail_uid = imapd
                                                        mmap_disable = yes
                                                        passdb {
                                                          args =
        /etc/dovecot/lookups/ldap-pass.conf
                                                          driver = ldap
                                                        }
                                                        passdb {
                                                          args =
/etc/dovecot/lookups/xxxx.conf
                                                          driver = ldap
                                                        }
                                                        plugin {
                                                          stats_refresh =
30 secs
                                                          stats_track_cmds
= yes
                                                        }
                                                        protocols = imap
lmtp
                                                        service auth {
                                                          client_limit =
4096
                                                          unix_listener
auth-userdb {
                                                            mode = 0777
                                                          }
                                                        }
                                                        service imap-login
{
                                                          chroot = login
                                                          client_limit = 0

drop_priv_before_exec = no
                                                          executable =
imap-login
                                                          extra_groups =
                                                          group =
                                                          idle_kill = 0
                                                          inet_listener
imap {
                                                            address =
                                                            port = 1144
                                                            ssl = no
                                                          }
                                                          inet_listener
imaps {
                                                            address =
                                                            port = 994
                                                            ssl = yes
                                                          }
                                                          privileged_group
=
                                                          process_limit = 0
                                                          process_min_avail
= 0
                                                          protocol = imap
                                                          service_count =
50
                                                          type = login
                                                          user =
$default_login_user
                                                          vsz_limit =
18446744073709551615 B
                                                        }
                                                        service imap {
                                                          service_count =
50
                                                        }
                                                        service lmtp {
                                                          executable = lmtp
-L
                                                          inet_listener
lmtp {
                                                            address =
                                                            port = 10025
                                                          }
                                                        }
                                                        service stats {
                                                          fifo_listener
stats-mail {
                                                            mode = 0600
                                                            user = imapd
                                                          }
                                                        }
                                                        ssl_cert =
</xxxxxxx/cert/dovecot.pem
                                                        ssl_cipher_list =
XXXXXX
                                                        ssl_key =  #
hidden, use -P to show it
                                                        ssl_protocols =
XXXXX
                                                        userdb {
                                                          args =
        /etc/dovecot/lookups/ldap-user.conf
                                                          driver = ldap
                                                        }
                                                        userdb {
                                                          args =
/etc/dovecot/lookups/xxxxxxx.conf
                                                          driver = ldap
                                                        }


                                                        Thanks & Regards,
                                                        Naveen



                                                Try setting

                                                log_path=/dovecot.log
                                                info_log_path=$log_path
                                                debug_log_path=$log_path
                                                ---
                                                Aki Tuomi


                                ---
                                Aki Tuomi


                ---
                Aki Tuomi






---
Aki Tuomi
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Re: Issue running Dovecot in Docker Container

Aki Tuomi-3

On 30/12/2019 14:20 Naveen Reddy <[hidden email]> wrote:


Aki, This image doesn't have a director service, just the dovecot is running.

This would be because you did not configure it. As the description says, you need to mount /etc/dovecot for it. It runs with minimal config otherwise.

Aki
Marc, I'm running the docker container in a privileged mode and it doesn't seem to have any issues reaching out to the outside network.  I will try running with default config and see what fails. 

Thanks & Regards,
Naveen


On Mon, Dec 30, 2019 at 4:16 PM Aki Tuomi < [hidden email]> wrote:
You could also try our docker images, see https://hub.docker.com/u/dovecot

Aki