Bogus "non-existent domain in From:" bounce

Gib Henry <[email protected]> Wed, 14 Dec 2016 18:22:40 -0600
Newsgroups	gmane.mail.cgatepro.general
Message-ID	<[email protected]>
<html>
  <head>

    <meta http-equiv="content-type" content="text/html; charset=utf-8">
  </head>
  <body bgcolor="#FFFFFF" text="#000000">
    <p><font face="Georgia" size="+1">From time to time I receive copies
        of my server’s outgoing bounce messages (from mailerdaemon)</font><font
        face="Georgia" size="+1"> with the offending incoming messages
        attached.  T</font><font face="Georgia" size="+1">he reason
        stated for the bounce</font><font face="Georgia" size="+1">, in
        this case,</font><font face="Georgia" size="+1"> is that there
        is a non-existent domain in the From: header of the incoming
        message.  However that is not true; the domain name </font>txercoupemuseum.org<font
        face="Georgia" size="+1"> does exist:</font></p>
    <p>/usr/bin/host -t a txercoupemuseum.org<br>
      txercoupemuseum.org has address 65.254.227.240<br>
    </p>
    <p><font face="Georgia" size="+1">The log shows:</font><br>
    </p>
    <p>
      <meta http-equiv="content-type" content="text/html; charset=utf-8">
    </p>
    <pre class="logViewInline">17:40:04.000 1 DEQUEUER [2420011] SYSTEM(gib) failed: non-existent domain (txercoupemuseum.org) in From:
17:40:04.802 2 SMTP-000007(*) [2420014] sent encrypted [192.168.1.2]:50534 -&gt; [97.78.41.43]:2501, 
    got:250 4123891 message accepted for delivery
</pre>
    <p><font face="Georgia" size="+1">Do I have a DNS problem?  It
        happens too rarely to justify increasing the log level, but…? 
        Cheers,<br>
        --<br>
        Gib Henry<br>
      </font></p>
  </body>
</html>
<p/><pre>#############################################################

This message is sent to you because you are subscribed to

  the mailing list &lt;[email protected]&gt;.

To unsubscribe, E-mail to: &lt;[email protected]&gt;

To switch to the DIGEST mode, E-mail to &lt;[email protected]&gt;

To switch to the INDEX mode, E-mail to &lt;[email protected]&gt;

Send administrative queries to  &lt;[email protected]&gt;</pre>