Ashley M. Kirchner wrote:
Can someone explain this to me? It's from a spam message (in fact, a lot of them are coming through MD+SA these days) and they all show the same thing, negative numbers:

Received: from -1216216520 ([222.60.136.228])
   by serpico.pcraft.com (8.13.0/8.13.0) with SMTP id jB30Mott008917
   for <[EMAIL PROTECTED]>; Fri, 2 Dec 2005 17:22:54 -0700

Here it looks like the negative number is actually the HELO string, which can be set to pretty much anything.

Received: from goprat.com (-1216301840 [-1213314064])
   by ghfixtures.com (Qmailv1) with ESMTP id 8568A5A816
   for <[EMAIL PROTECTED]>; Fri, 02 Dec 2005 17:22:58 -0800

Assuming serpico.pcraft.com is your server, this line is probably forged, so again anything could go into the spots.

If I were to guess, someone has spamwarethat's generating random numbers for fake IP addresses, but has an error in formatting, so they're getting displayed as negative integers instead of dotted quads.

--
Kelson Vibber
SpeedGate Communications <www.speed.net>
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