Reporting-MTA: dns; bisinter.ru
Arrival-Date: Sun, 11 Nov 2007 00:40:37 +0300 (MSK)

Final-Recipient: rfc822; ac@bisinter.ru
Action: failed
Status: 5.0.0
Diagnostic-Code: X-Postfix; data format error. Command output: ac: Mailbox does
    not exist