The original message was received at Tue, 3 Jan 2006 19:52:36 -0600 from c1m12.emaildefenseservice.com [216.40.36.45]

----- The following addresses had permanent fatal errors ----- heridan@cport.com (reason: 550 sorry, no mailbox here by that name. (#5.7.17) ) jdonley@cport.com (reason: 550 sorry, no mailbox here by that name. (#5.7.17) )

----- Transcript of session follows ----- ... while talking to hcp2.srsengine.com.:

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<<< 550 sorry, no mailbox here by that name. (#5.7.17) 550 5.1.1 jdonley@cport.com... User unknown <<< 550 sorry, no mailbox here by that name. (#5.7.17) 550 5.1.1 heridan@cport.com... User unknown <<< 503 RCPT first (#5.5.1)