Dovecot Replication - Architecture Endianness?

Timo Sirainen tss at
Wed May 6 21:49:52 UTC 2015

On 06 May 2015, at 13:52, Reuben Farrelly <reuben-dovecot at> wrote:
> On 4/05/2015 11:06 PM, Teemu Huovila wrote:
>>> Also is there a way to restrict replication users aside from a crude hack around system first and last UIDs?
>> You can set the userdb to return an empty mail_replica variable for users you want to exclude from replication.
>> br,
>> Teemu Huovila
> One last question.  Is it possible to achieve this with system users and PAM or do I need to basically create a new static userdb for system users?

You can create a new userdb passwd-file that adds extra fields. So something like:

userdb {
  driver = passwd
  result_success = continue-ok

userdb {
  driver = passwd-file
  args = /etc/dovecot/passwd.extra
  skip = notfound

> Could this be done via a per-user LDA setting or sieve?

Replication would happen also with IMAP access.

More information about the dovecot mailing list