Question about noreplicate flag

[Bernardo Reino]

On Mon, 17 Feb 2020, Aki Tuomi wrote:

> On 17.2.2020 12.48, Bernardo Reino wrote:
>> Dear all,
>>
>> I've just setup replication between two servers. The e-mail accounts
>> on both servers intersect but are not the same.
>>
>> In dovecot.conf (both are identical except one user /var/mail and the
>> other uses /srv/vmail) I have:
>>
>> --<<--
>> userdb {
>>   driver = passwd-file
>>   args = username_format=%Lu /etc/dovecot/virtual_passwd
>>   default_fields = uid=vmail gid=vmail home=/var/mail/%d/%n
>> }
>>
>> passdb {
>>   driver = passwd-file
>>   args = scheme=SHA512-CRYPT username_format=%Lu
>> /etc/dovecot/virtual_passwd
>> }
>> -->>--
>>
>> i.e. I use a passwd-like database.
>>
>> For the non-overlapping accounts in both servers I want to prevent
>> replication, as it will otherwise fail with "Error: sync: Unknown user
>> in remote".
>>
>> I have added "userdb_noreplicate" (also tried "userdb_noreplicate=y")
>> for those users, but I still see the above error message in the logs.
>>
>> Like:
>> reinob at bbmk.org:{SHA512-CRYPT}$6$e10...4c::::::userdb_noreplicate=y
>>
>> If I run "doveadm user -u reinob at bbmk.org" I get the following:
>>
>> userdb: reinob at bbmk.org
>>   user      : reinob at bbmk.org
>>   uid       : 5000
>>   gid       : 5000
>>   home      : /var/mail/bbmk.org/reinob
>>   noreplicate: y
>>
>> Note that I use "userdb_noreplicate" instead of "noreplicate" (which I
>> also tried just in case), as from what I understood the "userdb_"
>> prefix is required when adding the flag to the passwd file.
>>
>> As far as I can tell I'm doing everything right, but for some reason
>> the replication is ignoring that flag.
>>
>> Thanks in advance for any help with this.
>>
>> (Let me know if you need to see the $(doveconf -n), but I believe the
>> only relevant parts are the userdb and passdb.
>
>
> Hi!
>
> What version of dovecot are you using? The noreplicate field seems to be
> correctly there. Can you turn on 'mail_debug=yes', and see if the
> replicator logs anything useful.

It's 2.3.9.3 from repo.dovecot.org (debian buster) on both servers.

I'll try to enable mail_debug and see what it tells me!

Thanks a lot.