I would like to remove my ip and dns info in the header from automatic responses from my Exchange 2007 to folks outside my domain.
Delivery has failed to these recipients or distribution lists:
The recipient's e-mail address was not found in the recipient's e-mail system. Microsoft 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.
Sent by Microsoft Exchange Server 2007
Diagnostic information for administrators:
Generating server: yourserver.local
#550 5.1.1 RESOLVER.ADR.RecipNotFound; not found ##rfc822;NoReply@yourserver.com
Original message headers:
Received: from server1.arubabank.local (22.214.171.124) by
server2.yourserver.local (126.96.36.199) with Microsoft SMTP Server id
188.8.131.52; Fri, 27 Dec 2013 08:22:58 -0400
Received: from server1.yourserver.local (server1.yourserver.local
[127.0.0.1]) by server1.yourserver.local (Postfix) with ESMTP id
42C4C3FFE7 for <NoReply@yourserver.com>; Fri, 27 Dec 2013 10:26:22 -0400
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
Removing the information isn't recommended - it can actually cause problems with the Exchange loop detection.