[Dovecot] Mail replication

[Renaud Allard]

Timo Sirainen wrote:
> On Apr 18, 2009, at 12:41 PM, Renaud Allard wrote:
> 
> 
> Are you saying that both the servers are accepting and writing mails?
> That can't really work unless they can also do global file locking.

Indeed, but only one of them is accepting imap connections. The other
one accepts imap only if the first one is down (virtual IPs)

> 
> Even if u.* files didn't conflict, index files would still break. And
> even if index files somehow could be made not to break, this would break
> IMAP protocol and IMAP clients might not download some of the mails
> anyway. I'm kind of surprised that it already wasn't breaking with Maildir.

Indexes were also replicated, but indeed they could break the same way.
Is there already some sort of replication in dovecot?
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