Dovecot Replication - Architecture Endianness?

[Reuben Farrelly]

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.
> http://hg.dovecot.org/dovecot-2.2/rev/c1c67bdc8752
>
> 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?

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

Thanks,
Reuben