I got a similar email too:
Received: from mx5.internetbrands.com (mx5.internetbrands.com [98.158.194.50])
by mtain-mh02.r1000.mx.aol.com (Internet Inbound) with ESMTP id 8B0EA38000083
for <deleted>; Sat, 28 May 2011 19:21:36 -0400 (EDT)
Received: from jelsoft3.internetbrands.com (jelsoft3.internetbrands.com [172.16.229.76])
by mx5.internetbrands.com (Postfix) with ESMTP id 45D432006C
for <deleted>; Sat, 28 May 2011 16:21:36 -0700 (PDT)
Received: from jelsoft3.internetbrands.com (localhost.localdomain [127.0.0.1])
by jelsoft3.internetbrands.com (8.13.8/8.13.8) with ESMTP id p4SNLanG030536
for <deleted>; Sat, 28 May 2011 16:21:36 -0700
Received: (from jelsoft@localhost)
by jelsoft3.internetbrands.com (8.13.8/8.13.8/Submit) id p4SNLaBr030533;
Sat, 28 May 2011 16:21:36 -0700
Date: Sat, 28 May 2011 16:21:36 -0700
X-Authentication-Warning: jelsoft3.internetbrands.com: jelsoft set sender to
webmaster@vbulletin.org using -f
To: deleted
Subject: Account on vBulletin.org Forum locked out
From: "vBulletin.org Forum" <webmaster@vbulletin.org>
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