Since we're taking this further: infi.net apparently uses Mindspring's mail servers.
Kneem's headers include:
"Received: from maynard.mail.mindspring.net
(maynard.mail.mindspring.net [207.69.200.243]) by
mailhub2.mail.cornell.edu (8.9.3/8.9.3) with ESMTP id MAA14035 for
<[EMAIL PROTECTED]>; Thu, 10 Jan 2002 12:29:38 -0500 (EST)
Received: from sdn-ar-002iacrapp328.dialsprint.net ([158.252.164.234] helo=cooper)
by maynard.mail.mindspring.net with esmtp (Exim 3.33 #1)
id 16Oj1G-0000Oz-00 for [EMAIL PROTECTED]; Thu, 10 Jan 2002 12:29:39
Jon
