Technical details of permanent failure:
Google tried to deliver your message, but it was rejected by the
recipient domain. We recommend contacting the other email provider for
further information about the cause of this error. The error that the
other server returned was: 550 550-5.1.1 The email account that you
tried to reach does not exist. Please try
550-5.1.1 double-checking the recipient's email address for typos or
550-5.1.1 unnecessary spaces. Learn more
at
550 5.1.1 http://mail.google.com/support/bin/answer.py?answer=6596 4si15885pxi.5 (state 14).