参考文章：https://blog.csdn.net/djhsun/article/details/78731683
1.安装sendmail mailx
2.获取QQ邮箱证书
1 2 3 4 5 6 7 8 | mkdir -p /root/.certs/ echo -n | openssl s_client -connect smtp.qq.com:465 | sed -ne '/-BEGIN CERTIFICATE-/,/-END CERTIFICATE-/p' > ~/.certs/qq.crt certutil -A -n "GeoTrust SSL CA" -t "C,," -d ~/.certs -i ~/.certs/qq.crt certutil -A -n "GeoTrust Global CA" -t "C,," -d ~/.certs -i ~/.certs/qq.crt certutil -L -d /root/.certs #切换到证书所在目录 cd /root/.certs/ certutil -A -n "GeoTrust SSL CA - G3" -t "Pu,Pu,Pu" -d ./ -i qq.crt |
3 配置mail.rc
1 2 3 4 5 6 7 8 | set [email protected] #发送方邮件地址 set smtp=smtps://smtp.exmail.qq.com:465 #邮件服务器 set smtp-auth=login #验证方式/登录验证 set smtp-auth-user="[email protected]" #发送方用户权限验证 set smtp-auth-password="xxxxxxxxxx" #发送方验证密钥(非邮箱密码 授权密码) set ssl-verify=ignore set nss-config-dir=/root/.certs #set nss-config-dir=/etc/pki/nssdb |
4 重启sendmail 和 服务器
systemctl restart sendmail
reboot
5.测试发送邮件
1 | echo "mail content" | mail -s "title" [email protected] |
成功