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Date:      Wed, 5 Aug 1998 23:26:31 +0200
From:      Ollivier Robert <roberto@keltia.freenix.fr>
To:        Richard Wackerbarth <rkw@dataplex.net>, security@FreeBSD.ORG
Subject:   Re: Please help me stop this
Message-ID:  <19980805232631.A22803@keltia.freenix.fr>
In-Reply-To: <l03110700b1edf7d260fe@[208.2.87.5]>; from Richard Wackerbarth on Wed, Aug 05, 1998 at 07:36:51AM -0500
References:  <l03110700b1edf7d260fe@[208.2.87.5]>

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According to Richard Wackerbarth:
> Can someone identify what they did to trick the machine into accepting
> this mail?

The spam came from an MCI dialup (*.Atlanta.mci.net) and your machine has
no anti-spam (anti-relay to be exact) rules.

Get 8.9.1 and install it. It stops relaying by default. Do it quickly
before this machine get into the RBL (http://maps.vix.com/rbl/).

After you've installed it, forbid the dialup domains from the big companies 
(Compu$erve, AOL, MSN and so on) from reaching your machines directly.

It won't stop them using other open relays but at least it will stop a few
of them too stupid.
-- 
Ollivier ROBERT -=- FreeBSD: The Power to Serve! -=- roberto@keltia.freenix.fr
FreeBSD keltia.freenix.fr 3.0-CURRENT #62: Mon Jul 27 20:47:08 CEST 1998


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