Interface addresses in master.cf

From: Simon Matthews (no email)
Date: Thu Jul 01 2004 - 03:14:14 EDT


I see that one can configgure different smtpd processes listening on
different IP addresses in master.cf

Is it possible to have overlapping addresses and some priority to
determine which is used?

For example, I have several IP addresses on one machine. I would like to
configure one smtpd process listening on most of these addresses, while I
have a different process on a single IP address.

I am investigating the use of content_filters, but I want to simplify the
configuration in the event that I have to change some of the IP addresses,
so I want to configure something like this:

0.0.0.0:smtp inet n - n - - smtpd
        -o <filter options here>
10.1.1.1:smtp inet n - n - - smtpd

Also, I want to configure spamassassin on a mail relay. I want to have it
drop emails that result in a high spamassassin score (via spamc/spamd) and
relay the rest to the local delivery server. I don't want to use amavis or
any other filters on the relay. Does anyone know of a document that
describes how to set this up?

Simon








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