[root@rac1 ~]# /etc/rc.d/init.d/sendmail stop ← 關閉sendmail服務
Shutting down sendmail: [ OK ]
Shutting down sm-client: [ OK ]
[root@rac1 ~]# chkconfig sendmail off ← 關閉sendmail自啓動
[root@rac1 ~]# chkconfig --list sendmail ← 確認sendmail自啓動已被關閉(都爲off就OK)
sendmail 0:off 1:off 2:off 3:off 4:off 5:off 6:off