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Date:      Wed, 12 May 2004 21:50:56 -0700 (PDT)
From:      Viktor Lazlo <viktorlazlo@telus.net>
To:        Bob Perry <rperry4@earthlink.net>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: Return Delivery of Mail I've never Sent
Message-ID:  <20040512214943.G38128@byx0rm.mr-clevver.com>
In-Reply-To: <20040513030052.GA706@sphinx.alpha.domain>
References:  <20040513030052.GA706@sphinx.alpha.domain>

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On Wed, 12 May 2004, Bob Perry wrote:

> Just setup mutt and I've begun to notice mail return to me
> indicating that it did not pass the server content filter,
> etc.  The last one stated that a virus was found, file name
> disco.zip, virus name W32/Netsky.c@MM!zip and apprarently
> was found by McAfee Scanning Engine (4359/4.3.20).  What
> makes it worse is that the recipient is not recognizable.
>
> I understand that my system can be used as a mail relay and
> would like to know how to combat this.  Can anyone point me
> in the right direction so that I can quickly resolve this
> issue?

If the bounced email contains headers check to see if it originates from
your IP--most likely it is spoofing the return address.

Cheers,

Viktor



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