Replication between three servers

[Aki Tuomi]

> 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