Hello,
We are receiving extreme amounts of spam from your network and it seems the person allocated to the IP block [37.45.100.211] is spoofing our domain to send phishing and spam.
Please proceed to stop this operation ASAP. We have also notified INTERPOL and the local authorities.

I have included one a sample message source code below.
=====================================================================================================
Received: from omneweb.com (unknown [37.45.100.211])
    (Authenticated sender: phil.omneweb)
    by newcore.omneweb.com (Postfix) with ESMTP id 18B8AD8755
    for <%2b919447797006@gtalk2voip.com>; Thu, 24 Apr 2014 12:44:27 -0400 (EDT)
Message-ID: <69A591E8.41A618E1@omneweb.com>
Date: Thu, 24 Apr 2014 17:44:19 +0100
Reply-To: "FEDEX.com info" <phil@omneweb.com>
From: "FEDEX info" <phil@omneweb.com>
User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; en-GB; rv:1.9.1.10) Gecko/20100512 Lightning/1.0b1 Thunderbird/3.0.5
MIME-Version: 1.0
To: <%2b919447797006@gtalk2voip.com>
Subject: Some important info is lacking
Content-Type: multipart/mixed;
    boundary="------------606378484837325444818240"
=====================================================================================================

Thank you.

--
Bob
Support Or Something - OmneWeb, Inc.
phone: 646-590-3665
e-mail: bob@omneweb.com
skype: omneweb