Exchange Server 2007 Receiver Connector Help

I am having a problem with receiving mail in a single server environment for Exchange Server 2007. External email comes back with the following:

Delivery has failed to these recipients or distribution lists:

jthompson@nhscnj.org
There's a problem with the recipient's mailbox. Microsoft Exchange will not try to redeliver this message for you. Please try resending this message, or provide the following diagnostic text to your system administrator.

The following organization rejected your message: In-MTA.

Sent by Microsoft Exchange Server 2007





Diagnostic information for administrators:

Generating server: PLAINFIELD.NHSCNJ.ORG

jthompson@nhscnj.org
In-MTA #552 5.2.0 Mail loop detected, just reject. ##rfc822;jthompson@nhscnj.org

Original message headers:

Received: from NHSCIMVS.CORP.LOCAL (192.168.10.35) by
 NHSCEXCHANGE.PLAINFIELD.NHSCNJ.ORG (192.168.10.36) with Microsoft SMTP Server
 id 8.1.436.0; Mon, 3 Oct 2011 11:34:02 -0400
Received: from NHSCIMVS.CORP.LOCAL (unknown [127.0.0.1])      by IMSVA80 (Postfix)
 with ESMTP id C9D05380038      for <jthompson@nhscnj.org>; Mon,  3 Oct 2011
 11:34:51 -0400 (EDT)
Received: from Out-MTA (unknown [150.70.188.134])      by NHSCIMVS.CORP.LOCAL
 (Postfix) with SMTP id 6F37E380036      for <jthompson@nhscnj.org>; Mon,  3 Oct
 2011 11:34:51 -0400 (EDT)
Received: from In-MTA ([150.70.186.136])      by Out-MTA with Trend Micro Email
 Security Platform for SP      id gCD31h0042wzwz201Fc0u3; Mon, 03 Oct 2011 15:36:00
 +0000
X-IMHT-LP-OUT: Y
Received: from asmtpout019.mac.com ([17.148.16.94])      by In-MTA with Trend Micro
 Email Security Platform for SP      id gFc01h00621mDZ501Fc0Wr; Mon, 03 Oct 2011
 15:36:00 +0000
X-TM-AS-Result: No--5.830-5.0-31-10
X-IMHT-HDR: Ver-1.0-TMAV-Scanned-0-TMAS-Scanned-Spam:-5-URL:0
X-IMHT-IMPID: gFc01h00621mDZ501Fc0Wr
X-IMHT-IMPRCPT: jthompson@nhscnj.org
X-IMHT-SRCIP: 17.148.16.94
X-IMHT-IMPTIME: 20111003153600
MIME-Version: 1.0
Content-Transfer-Encoding: 7BIT
Content-Type: text/plain; charset="US-ASCII"
Received: from 2015_itdirector.phcmednet.org ([146.145.85.23]) by
 asmtp019.mac.com (Oracle Communications Messaging Server
 7u4-23.01(7.0.4.23.0) 64bit (built Aug 10 2011)) with ESMTPSA id
 <0LSH001L8XZQLL50@asmtp019.mac.com> for jthompson@nhscnj.org; Mon, 03 Oct
 2011 08:35:52 -0700 (PDT)
X-Proofpoint-Virus-Version: vendor=fsecure
 engine=2.50.10432:5.4.6813,1.0.211,0.0.0000
 definitions=2011-10-03_03:2011-10-03,2011-10-03,1970-01-01 signatures=0
X-Proofpoint-Spam-Details: rule=notspam policy=default score=1 spamscore=1
 ipscore=0 suspectscore=1 phishscore=0 bulkscore=0 adultscore=0 classifier=spam
 adjust=0 reason=mlx scancount=1 engine=6.0.2-1012030000
 definitions=main-1110030152
From: Jeffery Thompson <jeff5061@me.com>
Subject: Test email for Exchange 2007
Date: Mon, 3 Oct 2011 11:35:25 -0400
Message-ID: <0D9AD67D-D38E-4931-9726-277D478B8A3E@me.com>
To: <jthompson@nhscnj.org>
X-Mailer: Apple Mail (2.1084)
X-TM-AS-Product-Ver: IMSVA-8.0.0.1304-6.5.0.1024-18424.000
X-imss-scan-details: No--5.830-5.0-31-10
X-TMASE-MatchedRID: XQpvBiL41dL/LzL3GmAdzUZakoam9+aeixMX9uM9Zs6WnKrEhSD9lMnj
      LTA/UDoA2/7pivnymGPIPRW5PF761uhUzobQ7Go8bW8x9siVLvucZOpeS9eWx3GPGZUXQNq5nxQ
      AiCWer6zE1fLJoxp1IyzjMDDYj+aeMVSVioACQxuO2XYD8d1KkyblnGa7iJ94x1Syb1cvm/kjqL
      5D1xnIQQ==
Return-Path: jeff5061@me.com
Reporting-MTA: dns;PLAINFIELD.NHSCNJ.ORG
Received-From-MTA: dns;NHSCIMVS.CORP.LOCAL
Arrival-Date: Mon, 3 Oct 2011 15:34:02 +0000

Original-Recipient: rfc822;jthompson@nhscnj.org
Final-Recipient: rfc822;jthompson@nhscnj.org
Action: failed
Status: 5.2.0
Diagnostic-Code: smtp;552 5.2.0 Mail loop detected, just reject.
Remote-MTA: dns;In-MTA

Any assistance will be greatly appreciated.