[Dovecot] proxy (director) and destination ports

[Timo Sirainen]

On Wed, 2010-11-24 at 15:01 +0100, Oliver Eales wrote:

> postfix main.cf: virtual_transport = lmtp:unix:private/dovecot-lmtp
> 
> The dovecot proxy tries to connect to the backend server port 0 which is 
> obviously not working.
> The proxy always seems to connect to the same port on the backend as it 
> was accessed itself.

Right, because there is no standard port for LMTP.

> Is it possible to set the destination port (30025) of the backend server 
> to the proxy ?

Return "port=30025" extra field from your passdb when service=lmtp (or
as long as you don't do it for imap/pop3, or they'll then connect to
that too).