HDR From: The Post Office <postmaster>
HDR Sender:	mailer-daemon
SUB Subject: Invalid message envelope information

The following message arrived with illegal envelope data, typically a
mangled address that doesn't obey the RFC822/976 protocol specification.
If you do not recognize the source of the bad header, perhaps you should
contact a Postmaster at your site and ask why your mail was rejected.

Your message is being returned unprocessed.

The following annotated envelope headers illustrate the error(s):