[Dovecot] Dovecot SASL on another machine

[Timo Sirainen]

On Sat, 2011-11-05 at 17:31 +0100, Tobias Hachmer wrote:
> Am 05.11.2011 17:01, schrieb Timo Sirainen:
> > On Sat, 2011-11-05 at 15:13 +0100, Tobias Hachmer wrote:
> >> is there a way to use Dovecot SASL Authentication for submission on 
> >> a
> >> different machine dovecot runs?
> >
> > With v2.0 you should be able to add inet_listener for auth service,
> > which acts as an auth-client socket.
> 
> Thanks for your reply. I think I didn't couch correct.
> I want a postfix machine to authenticate against Dovecot SASL for 
> submission service which hasn't installed dovecot locally.
> The postfix machine has to ask my central dovecot which is at the 
> moment dovecot v1.2.15 but will be soon v2.

Yes, this is how I understood it.

> Is this possible, if yes, how?

With v2.0:

service auth {
  inet_listener {
    port = 12345
  }
}

Postfix:

smtpd_sasl_path = inet:dovecot.foobar.com:12345