The original message was received at Fri, 19 May 2006 16:15:07 +0200 from [56.182.155.78] ----- The following addresses had permanent fatal errors ----- databases na linux.cz ----- Transcript of session follows ----- ... while talking to 213.159.80.86: 550 5.1.2 <databases na linux.cz>... Host unknown (Name server: host not found)