link_add() {
	if [ -f $3/$2 ]; then rm $3/$2; fi
	ln -s $1/$2 $3/
}

link_del() {
	if [ -f $3/$2 ]; then rm $3/$2; fi
}

link_add /usr/local/debug/mail/exim/conf/m4/../periodic delete_old_warnings.sh /etc/cron.daily

link_del /usr/local/debug/mail/exim/conf/m4/../periodic clear_quarantine.sh /etc/cron.daily

link_add /usr/local/debug/mail/exim/conf/m4/../periodic proxycheck_del_expired.sh /etc/cron.daily

link_del /usr/local/debug/mail/exim/conf/m4/../periodic greylist_del_expired.sh /etc/cron.daily