The original message was received at Wed, 17 May 2006 14:52:52 +0300 from linux.cz [191.208.109.12] ----- 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)