The original message was received at Thu, 1 Mar 2007 09:37:36 +0200 from [184.48.248.206] ----- The following addresses had permanent fatal errors ----- redhat-cz na linux.cz ----- Transcript of the session follows ----- ... while talking to host linux.cz.: >>> RCPT To:<redhat-cz na linux.cz> <<< 550 MAILBOX NOT FOUND