Mailing List Message #14446
From: Warren Michelsen <>
Subject: Re: 2nd IP in Header with HELO
Date: Mon, 3 May 2004 11:38:17 -0700
To: SIMS Discussions <>
At 11:21 AM -0700 5/3/04, David Haney wrote:
>There are 2 IP in the header. I assume the first one is the one SIMS
>recognizes and the one that I add to the blacklist, but what does the 2nd
>one mean and what is HELO in front of it?

The IP immediately following 'HELO' is the IP address or identity that the sending server is claiming to be.

>Received: from [] (HELO by
>(Stalker SMTP Server 1.8b8) with SMTP id S.0000137147 for
><>; Sun, 02 May 2004 22:56:19 -0700
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