You need to use director, shared storage (such as NFS) and three nodes. Aki
> On 20/04/2021 13:44 Miro Igov <miro.i...@gmail.com> wrote: > > > Is there any workaround for 3? > > -----Original Message----- > From: Aki Tuomi <aki.tu...@open-xchange.com> > Sent: Tuesday, April 20, 2021 13:41 > To: Dovecot Mailing List <dovecot@dovecot.org>; Miro Igov > <miro.i...@gmail.com> > Subject: Re: Replication between three servers > > > > On 20/04/2021 13:26 Miro Igov <miro.i...@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