hMailServer中文论坛

目前使用hmailserver做为公司的邮件服务器，发现在向某些域名发送邮件后会被退信，SPF、主机名、MX记录等都设置过还是不能解决，IP地址也未在反垃圾邮件中被列入黑名单，烦请协助。
退信信息如下：
Your message did not reach some or all of the intended recipients.

Sent: Thu, 04 Jun 2015 19:11:27 +0800
Subject: Re:

The following recipient(s) could not be reached:

XXXX@chinaunicom.cn
Error Type: SMTP
Remote server (210.53.66.248) issued an error.
hMailServer sent:
Remote server replied: 554 5.7.1 You are not allowed to connect.

dkmic 反解 也做了？ 看邮件源码可以知道退信原因