The original message was received at Fri, 21 Feb 2014 06:19:30 GMT from orbitatelecom-net-91-206-14-ip-12.kurkino.net.ru [91.206.14.12] (may be forged) ----- The following addresses had permanent fatal errors ----- (reason: 550 Requested action not taken: mailbox unavailable or not local) (reason: 550 Requested action not taken: mailbox unavailable or not local) (reason: 550 Requested action not taken: mailbox unavailable or not local) (reason: 550 Requested action not taken: mailbox unavailable or not local) ----- Transcript of session follows ----- ... while talking to [192.168.1.8]: >>> RCPT To: <<< 550 Requested action not taken: mailbox unavailable or not local 550 5.1.1 ... User unknown >>> RCPT To: <<< 550 Requested action not taken: mailbox unavailable or not local 550 5.1.1 ... User unknown >>> RCPT To: <<< 550 Requested action not taken: mailbox unavailable or not local 550 5.1.1 ... User unknown >>> RCPT To: <<< 550 Requested action not taken: mailbox unavailable or not local 550 5.1.1 ... User unknown