Mail delivery error

[Mail Delivery System <jc.hasler@intertreff.com>]

This message was created by CAMELOT Security 2005

Your message to cyrill@intertreff.ch could not be sent, 
because of the following error:

--> Recipient not here


A part of the failed transaction follows:

--> RCPT TO: cyrill@intertreff.ch
<-- 550 Recipient not here