Dovecot replication not picking up new mail in maildir

[jayare-dcml at outlook.com]

On 10/27/2020 7:56 AM, Aki Tuomi wrote:
> 
>> On 27/10/2020 14:49 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
> 

Thanks for confirming.  Seems to be working OK using LMTP now.