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Subject: Re: how to bind smtp client to specific address?
From: Jürgen Fluk (louisntm-gmbh.de)
Date: Thu Mar 30 2000 - 00:44:23 CST

On Wed, Mar 29, 2000 at 04:53:23PM -0500, Wietse Venema wrote:
> Rafi Sadowsky:
> > > Adding support for a Postfix-wide source IP address isn't difficult.
> > > Adding support for destination-dependent source IP address is more
> > > trouble.
> > >
> > > Wietse
> > >
> > Could that include the source address for syslog calls ?
>
> I do not see how. Postfix logging relies on the syslog library
> routines. Different systems have different implementations.
>
> However, all Postfix logging is controlled from one place, so it
> is possible to add support to Postfix for a different logging
> mechanism without having to change code all over the place.

We are running a multiple instance multiple IP postfix setup here.
I'd vote for 2 additional configuration parameters:

        inet_interfaces the IPs this instance is listening on
                                (just the old one)
        inet_preferred the IP to bind for outgoing connections
                                no change if unset or empty
        syslog_ident some string to insert into syslog strings
                                e.g. "postfix/<component>(ident)"

louis 

-- 
Jürgen Fluk                                 louisntm-gmbh.de
New Technologies Management GmbH            Tel +49 89 993415-56
Stefan-George-Ring 24, D-81929 München      Fax +49 89 993415-99