Date: Fri, 06 Feb 1998 09:36:33 -0600 From: "Darrin R. Woods" <dwoods@netgazer.com> To: isp@FreeBSD.ORG Subject: spammer problem - help! Message-ID: <3.0.32.19980206093450.006933b0@netgazer.net>
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I have had a problem over the last month or so of someone using our
mailer-daemon to send spam email to myself as well as users on our net.
My sendmail is running on freebsd and I've applied all of the spammer
patches that I can find. I've even added the hostname in the spammer db
file but our system still accepts mail from him.
How can I keep this guy and others from forging mail and making it look as
though it is coming from my mailer-daemon?
Here is the header from one he sent to my email address yesterday:
---------------------------------------------------------
Return-Path: anitb@mail.t-1net.com
Received: from mail.t-1net.com (root@1Cust182.tnt2.stafford.tx.da.uu.net
[208.252.105.182]) by netgazer.net (8.8.5/8.7.3) with ESMTP id KAA03003 for
<dwoods@netgazer.com>; Thu, 5 Feb 1998 10:22:21 GMT
Date: Thu, 5 Feb 1998 09:41:31 -0600
Message-Id: <199802051541.JAA02876@mail.t-1net.com>
From: MAILER-DAEMON@netgazer.net
Subject: Low Cost Advertising
X-UIDL: 6a53b1fd94536b2343668e60c04444de
----------------------------------------------------------
Thanks, in advance, and yes I have sent email to abuse@uu.net.
Darrin R. Woods dwoods@netgazer.com
Director Operations Emeritus
Netgazer Solutions, Inc.
"UNiX IS user friendly. It's just particular
about who it's friends are"
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