crikey, yeh I guess I could have looked at some non-spam messages before I thought of this rule :) Regards Dan Regan Murphy wrote:

You would probably lose a lot of mail that way.

E.g. From: NZRR Database Notifications Precedence: bulk Message-Id:

From: Sun Microsystems Message-id: <0I7P002S8ZMRCO(a)olm-ms2.sun.com>

Message-ID: <880B6B3B42770C4E92F35D85732893A0EB910C(a)aklemail01.salesforce.co.nz> From: Fly Buys Service Centre

A lot of mailservers are on subdomains masquerading as the root domain. Also some organisations send mail for different domains (legit ones) from the same mailserver.

-- Regan

-----Original Message----- From: Dan Clark [mailto:dan(a)scarfies.net] Sent: Friday, 26 November 2004 11:17 a.m. To: 'nznog' Subject: [nznog] Sendmail Question

Hi Guys, Just wondering if anyone has seen the ability to configure sendmail to match from address to the msg id field (after the @) or weather or not it should do this by default.

eg: Nov 26 10:55:24 mail sm-mta[15318]: iAPLtBa7015318: from=, size=982, class=0, nrcpts=1, msgid=<53fc01c4d339$34ac1af3$45006654(a)africon.co.za>, proto=SMTP, daemon=MTA, relay=[65.126.46.48]

I would imagine a hell of alot of SPAM would be returned if our mail server was matching @fyna.com.au with the @africon.co.za and finding that they dont match? I hope I'm on the right track here.

Regards Dan Clark

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