设置 /etc/postfix/main.cf 原配置 mydestination = $myhostname, localhost.$mydomain, localhost 改为 mydestination = $myhostname, localhost.$mydomain, localhost, $mydomain
还有问题在查看 tail -n 100 /var/log/maillog
Postfix mail for azengna.com loops back to myself -solve
原文：https://www.cnblogs.com/zengguoqiang/p/10744537.html