Subject: Mail delivery failed: returning message to sender
From: Mail Delivery System <[email-masked]>
To: [email-masked]

This message was created automatically by mail delivery software.

A message that you sent could not be delivered to one or more of its recipients. This is a permanent 
error. The following address(es) failed:

  [email-masked]
    all hosts for 'noonshinerstoastmasters.org' have been failing for a long time (and retry time not 
reached)