This message was created automatically by mail delivery software. I ex'ed out the email id and there were many more of them that I removed.
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A message that you sent could not be delivered to one or more of
its recipients. The following addresses failed:

SMTP error from remote server in greeting:
host mx2.comcast.net[76.96.30.116]:
554 imta17.emeryville.ca.mail.comcast.net comcast 74.208.4.195 Comcast Blocked for spam. Please see http://help.comcast.net/content/faq/BL000000