mailing list archives
RE: Backdoor not recognized by Kaspersky
From: Ron DuFresne <dufresne () winternet com>
Date: Wed, 3 Mar 2004 16:51:40 -0600 (CST)
how about the smtp server simply rejecting mail from spoofed hosts ? as all the viruses generate spoofed hosts and it
is very easy for any smtp server to do a dns lookup on the sending server, if the hostname / ip address do not match
reject the message.
Finally some sanity marks this thread!
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