From : root at localhost.localdomain (Cron Daemon)
To : root at localhost.localdomain Subject : Cron <root@subcom> run-parts /etc/cron.daily
X-Cron-Env:<SHELL=/bin/bash>
X-Cron-Env:<PATH=/sbin:/bin:/usr/sbin:/usr/bin>
X-Cron-Env:<MAILTO=root>
X-Cron-Env:<HOME=/>
X-Cron-Env:<LOGNAME=root>
 su: user news does not exist
 이런 형태로 메일이 오는데 뭐죠?
그리고 Cron은 또 뭔가요?--..