newbie question on a dovecot buffer

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newbie question on a dovecot buffer

Dovecot mailing list
Hi
apologies for what will seem a daft question
I'm getting problems with my mail provider who is using dovecot.
I've loaded Dovecot on a 8 core ARMHF SBC version 2.2.33.2 on Ubuntu
18.04. The SBC is headless. and the load looks very light and only needs
to store/cache 4GB of mail

Can I use Dovecot as a buffer between my mail providers Dovecot servers
and the several IMAP mail clients on my own network ?

ie,  so Dovecot would mirror the mail on my account with my mail
provider, So my local dovecot server downloads mail and caches/stores on
the local SBC and all the local users use IMAP from that, instead of
from my mail provider.
Can I import the same directory structure as help on my mail providers
server ?
I'm trying to avoid the timeout problem I get when using IMAP from my
mail provider.
Can it be done ?
and can you withstand the questions on configuration, I haven't used
Dovecot before so its a vertical learning curve
Thanks
--
  Best wishes /73
  Richard Bown

  Email : [hidden email]

  HTTP  :  http://www.g8jvm.com

  ######################################################################

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Re: newbie question on a dovecot buffer

Dovecot mailing list
On 06/11/2019 01.41, Richard Bown via dovecot wrote:
 > Can I use Dovecot as a buffer between my mail providers Dovecot servers
> and the several IMAP mail clients on my own network ?
> ie,  so Dovecot would mirror the mail on my account with my mail provider, So my local dovecot server downloads mail and caches/stores on the local SBC and all the local users use IMAP from that, instead of from my mail provider.

I'm by no means an expert, but I've seen this mentioned before, and it seems that you may be asking about this:

https://wiki.dovecot.org/Replication

P.
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Re: newbie question on a dovecot buffer

Dovecot mailing list

On 6.11.2019 6.47, Plutocrat via dovecot wrote:
> On 06/11/2019 01.41, Richard Bown via dovecot wrote:
>  > Can I use Dovecot as a buffer between my mail providers Dovecot servers
>> and the several IMAP mail clients on my own network ?
>> ie,  so Dovecot would mirror the mail on my account with my mail provider, So my local dovecot server downloads mail and caches/stores on the local SBC and all the local users use IMAP from that, instead of from my mail provider.
> I'm by no means an expert, but I've seen this mentioned before, and it seems that you may be asking about this:
>
> https://wiki.dovecot.org/Replication
>
> P.

For caching, you can *try* imapc.

So

namespace remote {

  location = imapc:~/.cache

  prefix = Remote}

...

}


or


mail_location = imapc:~/.cache

imapc_username = username

imapc_host = hostname

etc.


See https://wiki2.dovecot.org/MailboxFormat/imapc

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Re: newbie question on a dovecot buffer

Dovecot mailing list
In reply to this post by Dovecot mailing list
Many thanks for all the replies on this.
It has given a lot to consider, now for some intense reading .

On 06/11/2019 04:47, Plutocrat via dovecot wrote:

> On 06/11/2019 01.41, Richard Bown via dovecot wrote:
>   > Can I use Dovecot as a buffer between my mail providers Dovecot servers
>> and the several IMAP mail clients on my own network ?
>> ie,  so Dovecot would mirror the mail on my account with my mail provider, So my local dovecot server downloads mail and caches/stores on the local SBC and all the local users use IMAP from that, instead of from my mail provider.
>
> I'm by no means an expert, but I've seen this mentioned before, and it seems that you may be asking about this:
>
> https://wiki.dovecot.org/Replication
>
> P.
>

--
  Best wishes /73
  Richard Bown

  Email : [hidden email]

  HTTP  :  http://www.g8jvm.com

  ######################################################################

  Ham Call: G8JVM . QRV: 50-432 MHz + Microwave
  Maidenhead QRA: IO82SP38, LAT. 52 39.720' N LONG. 2 28.171 W
  QRV 6mtrs 200W, 4mtrs 150W, 2mtrs 300W, 70cms 200W,
  Microwave 1296MHz 110W, 2320MHz 100W, 5760MHz 10W & 10368MHz 5W
  OS: Linux Mint 19.2 x86_64 Tina, on a Dell Inspiron 3580 laptop
  ######################################################################
Come back Guy Fawkes, all is forgiven