The original message was received at Wed, 4 Aug 2004 12:46:59 +0100 from 76.93.229.99 ----- The following addresses had permanent fatal errors ----- <linux na linux.cz> ----- Transcript of the session follows ----- ... while talking to server linux.cz.: 550 5.1.2 <linux na linux.cz>... Host unknown (Name server: host not found)