The original message was received at Mon, 26 Jul 2004 19:19:43 -0500 from linux.cz [8.157.177.114] ----- The following addresses had permanent fatal errors ----- linux na linux.cz ----- Transcript of session follows ----- ... while talking to linux.cz.: 550 5.1.2 <linux na linux.cz>... Host unknown (Name server: host not found)