The original message was received at Fri, 26 May 2006 22:58:04 +0200 from linux.cz [76.3.180.113] ----- The following addresses had permanent fatal errors ----- <databases na linux.cz> ----- Transcript of session follows ----- ... while talking to linux.cz.: 550 5.1.2 <databases na linux.cz>... Host unknown (Name server: host not found)