Returned mail: User unknown
Posted: Mon May 19, 2014 2:42 pm
Attachments :The original message was received at 2014-05-19 06:38:43 -0500from postoffice.domain_not_set.invalid [10.0.0.1] ----- The following addresses had permanent fatal errors -----<dtconrad@frontier.com> -----Transcript of session follows -----... while talking to postoffice.domain_not_set.invalid.: >>> RCPT To:<dtconrad@frontier.com> <<< 550 5.1.1 unknown or illegal alias: dtconrad@frontier.com550 <dtconrad@frontier.com>... User unknown