The original message was received at Mon, 12 Feb 2007 21:51:55 -0600 from 161.210.107.14 ----- The following addresses had permanent fatal errors ----- redhat-cz na linux.cz ----- Transcript of the session follows ----- ... while talking to 91.199.188.245: >>> MAIL FROM:"Mail Administrator" <MAILER-DAEMON na linux.cz> <<< 502 User blacklisted