Replication between three servers

[Aki Tuomi]

You need to use director, shared storage (such as NFS) and three nodes.

Aki

> On 20/04/2021 13:44 Miro Igov <miro.igov at gmail.com> wrote:
> 
>  
> Is there any workaround for 3?
> 
> -----Original Message-----
> From: Aki Tuomi <aki.tuomi at open-xchange.com> 
> Sent: Tuesday, April 20, 2021 13:41
> To: Dovecot Mailing List <dovecot at dovecot.org>; Miro Igov <miro.igov at gmail.com>
> Subject: Re: Replication between three servers
> 
> 
> > On 20/04/2021 13:26 Miro Igov <miro.igov at gmail.com> wrote:
> > 
> > 
> > Hello,
> > I have dovecot replication working fine between 2 servers with LDA configured to sync mail coming from Postfix.
> > These 2 servers are used in master/slave mode – only the one server is used by IMAP clients and the second server is just a backup in case of failure.
> > Second server is also MX backup and it happens that incoming mails come from it via Postfix and get synchronized with the first server.
> > 
> > I would like to include third server as backup. How could be done while mail_replica accepts only one host?
> 
> Replication is supported only between two hosts.
> 
> Aki