The original message was received at Wed, 27 May 2009 14:26:56 +0200
----- The following addresses had permanent fatal errors -----
<marc.messmer@gmx.ch>
----- Transcript of session follows -----
... while talking to mx0.gmx.net
>>> RCPT To:<marc.messmer@gmx.ch>
<<< 550 5.1.1 <marc.messmer@gmx.ch>... User is unknown {mx013}