Crontab export MAILTO="" problem

[billydv]

I run an update script daily through crontab and I am trying to avoid getting emails about this one particular cron job but no matter what I put in I still get emails. Here is my crontab

# for vixie cron
#
# $Header: /var/cvsroot/gentoo-x86/sys-process/vixie-cron/files/crontab-3.0.1-r4,v 1.1 2005/03/04 23:59:48 ciaranm Exp $
#
#

# Global variables
SHELL=/bin/bash
PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/bin:/usr/kde/3.5/bin
MAILTO=root
HOME=/

# check scripts in cron.hourly, cron.daily, cron.weekly and cron.monthly
0 * * * * root rm -f /var/spool/cron/lastrun/cron.hourly
1 3 * * * root rm -f /var/spool/cron/lastrun/cron.daily
15 4 * * 6 root rm -f /var/spool/cron/lastrun/cron.weekly
30 5 1 * * root rm -f /var/spool/cron/lastrun/cron.monthly
*/10 * * * * root test -x /usr/sbin/run-crons && /usr/sbin/run-crons
15 8 * * 5 root /usr/bin/layman -S
45 1 * * * root export HOME=/home/billydv && export DISPLAY=:0 && konsole --noclose -e update-daily


My problem lies with the last job on the crontab. I have tried adding in export MAILTO="" and also export MAILTO="/dev/null" but neither seems to prevent the unwanted emails. What is the proper export variable that I need to insert in order to avoid emails?
_________________
Billy DeVincentis

[billydv]

Okay, I believe I have found the trick, I modified to this and it seems to work

45 1 * * * root export HOME=/home/billydv;export DISPLAY=:0;konsole --noclose -e update-daily >> /dev/null 2>&1

seems that adding

>> /dev/null 2>&1

to the end of a cronjob deletes all terminal output
_________________
Billy DeVincentis