The original message was received at Mon, 26 Jul 2004 13:34:10 -0500 from 129.155.240.120 ----- 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)