From.US-ASCII: "%(FULLNAME)s" <%(recipient_address)s>
Subject.US-ASCII: Mail delivery failed: returning message to sender
BodyCharset: US-ASCII

This message was created automatically by mail delivery software (TMDA).

Your message attached below could not be delivered to one or more of
its recipients. This is a permanent error. The following address(es)
failed:

<%(recipient_address)s>:

You have sent email to an invalid dated address.