I am getting this error message when I try to send admin notices.  Can anyone help?

_____________________________________________
From: postmaster@int1.disney.pvt [mailto:postmaster@int1.disney.pvt]
Sent: Friday, September 09, 2011 4:05 PM
To: Hartman, David W. - GBTS Library
Subject: Undeliverable: User Request for update of Record.

Delivery has failed to these recipients or distribution lists:

david.w.hartman@disney.com

NOTE: If you are sending a message to an ESPN employee and using Outlook 2007 on a PC, click the To: field and click on the name in the Global Address List to add it. Then click OK.

The recipient's e-mail address was not found in the recipient's e-mail system. Exchange will not try to redeliver this message for you. Please check the e-mail address and try resending this message, or provide the following diagnostic text to your system administrator.

Diagnostic information for administrators:

Generating server: int1.disney.pvt

david.w.hartman@disney.com
#< #5.1.1> #SMTP#

Original message headers:

Received: from WW-R-ITLWDW1K5M.wdw.disney.com ([ww-r-itlwdw1k5m.wdw.disney.com
 [172.16.190.240]]) by int11.disney.pvt with ESMTP id p89K51ud009424 ;
          Fri, 9 Sep 2011 20:05:01 +0000
Received: from WW-R-ITLWDW1K5M.wdw.disney.com (WW-R-ITLWDW1K5M.wdw.disney.com [127.0.0.1])
        by WW-R-ITLWDW1K5M.wdw.disney.com (Postfix) with ESMTP id B7CF63DAAD
        for <david.w.hartman@disney.com>; Fri,  9 Sep 2011 16:03:34 -0400 (EDT)
Subject: User Request for update of Record.
Date: Fri, 9 Sep 2011 16:03:34 -0400
MIME-Version: 1.0
Content-Type: text/plain; charset="utf8"
To: <david.w.hartman@disney.com>
Content-Transfer-Encoding: quoted-printable
From: <david.w.hartman@disney.com>
Message-ID: <20110909200334.B7CF63DAAD@WW-R-ITLWDW1K5M.wdw.disney.com>