CentOS6.4+LAMP+Postfix+Dovecot+Postfixadmin+Roundcubemail 打造企业级邮件服务器
局域网内部可以正常收发，也可以发送到外网，但收不到外网发过来的邮件
PHP中文网2017-04-24 16:01:33
Enterprise-level mail serverLANcan send and receive normally within the LAN
Did you forget to configure port mapping on the gateway?
