Yes I tested it at your page, and I saw that you're using %0A
Blue Title: Client Diagnostic Informatione - Nachricht (Rich-Text)
User IP address is xx.xxx.xxx.xx
User browser Type is: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)
Server time is (EST): Sunday September 8th, 2002, 3:20:34 PM
MS Outlook 2000 (9.0.0.2814)