[Dovecot] Director for smtp-auth

[Patrick Westenberg]

> isn't it possible to use the director functionality for smtp-auth too?
>
> I have a frontend system for imap and outgoing mails using sasl and I
> recognized that all sasl username/password combinations are accepted as
> these credentials aren't checked by the backend servers.

I found a workaround which works for me:
http://dovecot.org/list/dovecot/2011-May/059153.html