The original message was received at Sun, 30 Apr 2006 23:54:42 +0200 from [96.232.36.230] ----- 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)