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From: Andrew DeFaria <ADeFaria AT Salira DOT com>
Subject: Re: Spammers watching this user forum
Date: Fri, 18 Jul 2003 11:10:22 -0700
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References: <3F17DD1F DOT 3010409 AT yahoo DOT com>
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In-Reply-To: <3F17DD1F.3010409@yahoo.com>

Earnie Boyd wrote:

> Please consider not ``bouncing'' SPAM.  There have been various DoS 
> type virus that send email with fictitious headers.  When you bounce 
> that type of SPAM then you are participating in the DoS.  The bounce 
> doesn't even reach the actual sender, it reaches the fictitious 
> sender.  Now that fictitious sender has the potential of being 
> infected with the DoS virus and further participating in the DoS.  So 
> if your email server filters capture a virus, just delete it and don't 
> bounce it, please. 

Don't know of many scenerios where simply receiving an email spreads a 
virus. Usually you have to use a non secure email client and do 
something dumb like open an attachment.

(Don't most MTAs have builtin throttling to avoid or nullify such DoS 
attackes via SMTP?)



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