Fwd: Delivery Status Notification (Failure)

Unfortunately, several of the mailing lists bounced back my announcement. Perhaps someone on the TC can forward as a plain text email.
/chet

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Forwarded message

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From:  Mail Delivery Subsystem
< 
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Date: Mon, Jan 11, 2016 at 8:28 PM
Subject: Delivery Status Notification (Failure)

To:  
Delivery to the following recipient failed permanently:
      
Technical details of permanent failure:  Google tried to deliver your message, but it was rejected by the server for the recipient domain  vger.kernel.org  by  vger.kernel.org . [209.132.180.67].
The error that the other server returned was:
550 5.7.1 Content-Policy reject msg: The message contains HTML subpart, therefore we consider it SPAM or Outlook Virus.  TEXT/PLAIN is accepted.! BF:<U 0.52085>; S1753760AbcALB2J