Postfix - Exchange Server Mail relay A Postfix mail relay that protects an Exchange Server http://postfix.state-of-mind.de/patrick.koetter/mailrelay/
although this how-to does not cover implementing SpamAssassin, it will allow you to extract the user list from the Exchange server. This way the postfix gateway can discard invalid recipients prior to forwarding the messages to the groupware server. keep the load out on the gateway instead of on the groupware server sheltering the Exchange server from Dictionary spam attacks. then plug in SpamAssassin some sort of MIME defang, an AV solution or whatever other tools suit you, and you will be good to go.
Mark Hepler
Paul Hutchings wrote:
Robban,
I've never used sendmail (too daunting for a newbie!), however, I use postfix + spamassassin on a RH9 box to do filtering on mail that is relayed to our exchange boxes.
postfix is really easy to setup for this purpose, and if you take a look at http://postfix.cnc.bc.ca/twiki/bin/view/Main/SpamAssassinAndPostFix there is a simple script that will hook it into spamassassin.
regards,
Paul
--
Paul Hutchings
Network Administrator, MIRA Ltd.
Tel: 44 (0)24 7635 5378, Fax: 44 (0)24 7635 8378
mailto:[EMAIL PROTECTED]
-----Original Message----- From: Robban [mailto:[EMAIL PROTECTED] Sent: 11 November 2003 19:58 To: [EMAIL PROTECTED] Subject: [SAtalk] SMTP gateway/filter
I'm pretty new to spamassassin and I've only done a few spamassassin/postfix
installations. My next task is to sett up some sort of STMP gateway that
filters e-mail for spam and if approved, forwards the mail to "the real"
mail server. The real mail server will probably be an exchange server but we
might also end up with godd ol' sendmail.
What would be the preferred practice in setting up such a thing. Any ideas?
//robban
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