The original message was received at Sat, 5 Mar 2005 17:38:40 +0100 from tesla.hu [160.151.234.71] ----- The following addresses had permanent fatal errors ----- elektro at tesla.hu ----- Transcript of the session follows ----- ... while talking to server tesla.hu.: 550 5.1.2 <elektro at tesla.hu>... Host unknown (Name server: host not found)