echo"UNSET EMAILCHECK">>/etc/profile
soure /etc/profile
查看ls -lth /var/spool/mail/清空：cat /dev/null > /var/spool/mail/root
轻松搞定
Centos中提示You have new mail in /var/spool/mail/root 解决
原文：https://www.cnblogs.com/blackCatFish/p/9982678.html
