1、在进入系统的时候经常提示You have new mail in /var/spool/mail/root

echo “unset MAILCHECK” >> /etc/profile

source /etc/profile

关闭sendmail的功能：

chmod 0 /usr/sbin/sendmail
mv /usr/sbin/sendmail /usr/sbin/sendmail.bak
ln -s /var/qmail/bin/sendmail /usr/sbin/sendmail

清空 /var/spool/mail/root日志

cat /dev/null > /var/spool/mail/root
cat /dev/null>;/var/spool/mail/root

2、root邮件转发到自己的邮箱

方法一：
修改此文件
/etc/log.d/logwatch.conf
添加MailTo = root,xxx@xxx.com

方法二

/etc/aliases
添加root: xxx@xxx.com