On Wed, 9 Sep 2009 13:54:33 +0200, J. Roeleveld wrote:

> if user X does not exist within cyrus, the email gets bounced.
> 
> I would like this bounced email to be delivered to a seperate cyrus
> email folder.

Set luser_relay in /etc/postfix/main.cf. You need to create a valid user
for it to point to, then all mail for non-existent users will go to that
mailbox.


-- 
Neil Bothwick

Physics is like sex: sure, it may give some practical results, but
  that's not why we do it.                            Richard Feynman