Returned mail: Data format error

The original message was received at Tue, 30 Aug 2005 01:49:31 -0400 from [123.228.231.115]

----- The following addresses had permanent fatal errors -----


----- Transcript of the session follows -----
... while talking to server 141.65.218.207:
550 5.1.2 <>... Host unknown (Name server: host not found)