Date: Wed, 12 May 2004 22:12:56 -0500 From: Dan Nelson <dnelson@allantgroup.com> To: Bob Perry <rperry4@earthlink.net> Cc: freebsd-questions@freebsd.org Subject: Re: Return Delivery of Mail I've never Sent Message-ID: <20040513031256.GC81440@dan.emsphone.com> In-Reply-To: <20040513030052.GA706@sphinx.alpha.domain> References: <20040513030052.GA706@sphinx.alpha.domain>
next in thread | previous in thread | raw e-mail | index | archive | help
In the last episode (May 12), Bob Perry said: > 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? Most likely the original email never touched your system. A virus that selects random sender and recipients from the infected machine's addressbook sent a message to another system with a misconfigured virus scanner that attempted to notify the sender that they're infected (even though viruses have been forging the sender address for years). -- Dan Nelson dnelson@allantgroup.com
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20040513031256.GC81440>