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From: Valdis.Kletnieks at (
Subject: Backdoor not recognized by Kaspersky 

On Wed, 03 Mar 2004 23:36:09 +0530, "Aditya, ALD [Aditya Lalit Deshmukh]" said:

> how about the smtp server simply rejecting mail from spoofed hosts ?

Good.  Now look at the headers for this message and tell me if it's a "spoofed host"
or not.  While you're at it, define "spoofed host" more clearly.

Oh... and note that you can't say "it isn't coming from a host that's an MX for
your domain", because many larger mail servers run split inbound and outbound servers.
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