From: Doug Sampson (dougsdawnsign.com)
Date: Tue Feb 12 2008 - 13:12:38 CST

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We want to include the recipient's email address in all of the "Undelivered
Mail Returned to Sender" messages that are returned to our users by our
postfix relay. These messages are seen in the user's Outlook application.
Attached to each of these messages are a delivery report and the content of
the originating email.

Sample content of the "Undelivered Mail Returned to Sender" message:

This is the Postfix program at host mailfilter.dawnsign.com. I'm sorry to
have to inform you that your message could not be delivered to one or more
recipients. It's attached below. For further assistance, please send mail to
If you do so, please include this problem report. You can delete your own
text from the attached returned message. The Postfix program : connect to
csiunix.unh.edu[208.67.216.130]: Operation timed out

Sample content of the delivery report attached to each message:

Reporting-MTA: dns; mailfilter.dawnsign.com
X-Postfix-Queue-ID: 764FC95B12
X-Postfix-Sender: rfc822; NewsFlashdawnsign.com
Arrival-Date: Wed, 6 Feb 2008 15:53:15 -0800 (PST)

Final-Recipient: rfc822; jodyfcsiunix.unh.edu
Action: failed
Status: 4.0.0
Diagnostic-Code: X-Postfix; connect to csiunix.unh.edu[208.67.216.130]:
    Operation timed out

How can I modify the "Undelivered Mail Returned to Sender" message to
include these email addresses? We are using Crystal Reports to extract
information of the returned messages and not all of these messages contain
the recipients' email addresses. Crystal Reports is unable to open the
attachments attached to these messages thus this request.

We are using Postfix 2.2.12,1.

By the way, if there is a more efficient way of extracting such data from
the Postfix mail logs, I'd be interested.

~Doug

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