Dovecot replication not picking up new mail in maildir

[Justin Ridge]

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

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