The original message was received at Mon, 21 Feb 2005 08:38:01 +0100 from tesla.hu [184.158.230.153] ----- The following addresses had permanent fatal errors ----- elektro at tesla.hu ----- Transcript of the session follows ----- ... while talking to 88.53.102.136: 550 5.1.2 <elektro at tesla.hu>... Host unknown (Name server: host not found)