The original message was received at Thu, 2 Feb 2012 01:49:37 +0400 from client-201.240.229.55.speedy.net.pe [201.240.229.55] (may be forged) ----- The following addresses had permanent fatal errors ----- <[email protected]> (reason: 511 sorry, no mailbox here by that name (#5.1.1 - chkuser)) ----- Transcript of session follows ----- ... while talking to mx0.vologda.ru.:

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DATA <<< 511 sorry, no mailbox here by that name (#5.1.1 - chkuser) 554 5.0.0 Service unavailable <<< 503 RCPT first (#5.5.1)