The original message was received at Mon, 16 Aug 2004 08:51:10 +0200 (CEST) from root@localhost ----- The following addresses had permanent fatal errors ----- municipality@darmstadt.de (reason: 550 No such recipient) ----- Transcript of session follows ----- ... while talking to gwmail.darmstadt.de.: >>> RCPT To: <<< 550 No such recipient 550 5.1.1 municipality@darmstadt.de... User unknown