How to block mails sent using rmail

Hi,

I have a bunch of cron jobs which sends e-mails to many set of users. My scripts invoked by cron jobs use "rmail" for this. I have to make a test run of the cron jobs and I don't want the users to get mail during my test run. I cannot got to each script and modify rmail as I have lots of scripts. Is there any way to temporarily block "rmail" from sending mails?

Or is there anyway to block mail being sent out from a particular id?

Please throw some light on this.

TIA
Vijay

rmail is mail subsystem delivered with emacs. In order to disable it temporarily put the code below into your .emacs file :

(put 'rmail 'disabled t)		; avoid mbox destruction