I'm using header_checks and body_checks to help do some spam filtering. I
want to have it listen on another port than 25 as well, for unfiltered
processing (when I get spam via a POP3 fetch from another account, it's
hard to report said spam when your mail server filters and rejects it :).
In /etc/postfix/master.cf, I've set the following lines:
{xx} inet n - y - - smtpd
-o content_filter=
-o header_checks=
-o body_checks=
-o myhostname={different hostname for testing}
-o smtpd_client_restrictions=permit_mynetworks,reject
-o smtpd_helo_restrictions=
-o smtpd_sender_restrictions=
-o smtpd_recipient_restrictions=permit_mynetworks,reject
Where {xx} is the port number I'm telling it to listen on (and it's behind
a firewall, so unless you're on the local network, you can't get to that
port). When I connect to that alternate port, I get my SMTP greeting and
can send mail. The problem is that it's still filtering based on the
header_checks, etc., that's setup in my main.cf file. For some reason, the
overrides don't seem to be taking, other than for myhostname (at least, the
SMTP greeting banner shows the test hostname I've put in there for
debugging purposes).
Anyone have any ideas why this isn't working?
--Dave
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