Mail Delivery Failure

[Mail Delivery System]

This message was created automatically by the mail system (ecelerity).

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:

>>> abuwahida2009 at gmail.com (after RCPT TO): 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  https://support.google.com/mail/answer/6596 r133si5826247itc.3 - gsmtp
-------------- next part --------------
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  https://support.google.com/mail/answer/6596 r133si5826247itc.3 - gsmtp
Action: failed
-------------- next part --------------
An embedded and charset-unspecified text was scrubbed...
Name: not available
URL: <http://lists.alioth.debian.org/pipermail/pkg-mate-team/attachments/20160902/9ebf6512/attachment-0001.ksh>