1.关闭防火墙
systemctl stop firewalld
setenforce 0
2.进入qq邮箱获取授权码
![](https://img.haomeiwen.com/i16190387/3c20f236708aa883.png)
3.安装并配置mail
yum install -y mailx
vim /etc/mail.rc
#在mail.rc最后添加以下
set from=发件人邮箱@qq.com
set smtp=smtp.qq.com
set smtp-auth-user=邮箱用户名 (qq账号)
set smtp-auth-password=自己设定的 授权密码 (邮箱授权码)
set smtp-auth=login
4.测试
ping smtp.qq.com 看能不能ping通
echo "hello" | mail -s "测试" xxxxxxxx@qq.com
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