Dovecot replication not picking up new mail in maildir

[Aki Tuomi]

> On 27/10/2020 14:49 Justin Ridge <jayare-dcml at outlook.com> wrote:
> 
> 
> On 26/10/2020 19:25, John Fawcett wrote:
> > On 25/10/2020 17:19, jayare~dcml at videocoding.org wrote:
> >> I've got a basic dovecot master-master replication setup between two
> >> servers (imap1 and imap2). Actions such as deleting messages or moving
> >> them between folders are replicated correctly and quickly.
> >>
> >> However, when new mail is delivered by postfix, replication does not
> >> occur until something else triggers it, such as one of the delete/move
> >> actions mentioned earlier. A search suggested this may be due to the
> >> notify plugin, but I don't see any issue with the settings. Output of
> >> doveconf -n:
> >
> > Hi
> >
> > is there any error in the log?
> >
> > Can you show some evidence or an example? ie some email delivery in the
> > master but not on the slave?
> >
> > Can you be sure to check both new and cur subdirectories on master and
> > slave?
> >
> > John
> 
>  There's precisely nothing in the log. The new mail arrives on the master, and it is as though dovecot completely ignores it for the purposes of replication.
> 
> 
> However, I think I have solved the problem by enabling LMTP and forcing postfix to go through that rather than writing to the maildir directly. Perhaps LMTP is required for replication and I just didn't realize it. End result is (I think) it is working properly.
> 
> 
> J
> 
>

Sorry for empty mail, butterfingers...

Anyways, since replication is triggered by "replication" plugin, you need to involve either dovecot-lda or lmtp to the delivery process. Dovecot *will not* pick up replication need if you just drop files into the maildir as nothing will trigger dovecot code.

Aki