The original message was received at Fri, 7 Apr 2006 13:53:09 -0500 from 98.127.53.181 ----- The following addresses had permanent fatal errors ----- <databases na linux.cz> ----- Transcript of session follows ----- ... while talking to host linux.cz.: 550 5.1.2 <databases na linux.cz>... Host unknown (Name server: host not found)