Centos自动发送公网IP到邮箱

在centos上安装命令

#yum -y install mailx

配置文件是：vim /etc/mail.rc

#sudo vim /etc/nail.rc 
set from=[e-mail]
set smtp=smtp.qq.com  
set smtp-auth-user=123456
set smtp-auth-password=1a2b3c4d
set smtp-auth=login  

echo  hello word | mail -s " title" [e-mail]
mail -s "haha" [e-mail] < youjian.txt

curl icanhazip.com  查看自己的公网IP