简单有关问题 答案

简单问题 在线等答案
以下是DOMINO 控制台的事件：
2011-06-02 09:59:43 POP3 Server: Xiaoming Su/AAAA logged in; connecting host 119.131.160.6
2011-06-02 09:59:45 SMTP Server: Remote host 119.131.160.6 () found in blacklist at cblless.anti-spam.org.cn 
2011-06-02 09:59:45 SMTP Server: 119.131.160.6 connected
2011-06-02 09:59:45 SMTP Server [0E60:0054-0B94] Attempt to relay mail from [119.131.160.6] rejected for policy reasons. Relays from host denied in your configuration.
2011-06-02 09:59:45 SMTP Server [0E60:0054-0B94] Attempt to relay mail from [119.131.160.6] rejected for policy reasons. Relays from host denied in your configuration.
2011-06-02 09:59:45 SMTP Server [0E60:0054-0B94] Attempt to relay mail from [119.131.160.6] rejected for policy reasons. Relays from host denied in your configuration.
2011-06-02 09:59:45 SMTP Server [0E60:0054-0B94] Attempt to relay mail from [119.131.160.6] rejected for policy reasons. Relays from host denied in your configuration.
2011-06-02 09:59:46 SMTP Server [0E60:0054-0B94] Attempt to relay mail from [119.131.160.6] rejected for policy reasons. Relays from host denied in your configuration.
2011-06-02 09:59:46 SMTP Server [0E60:0054-0B94] Attempt to relay mail from [119.131.160.6] rejected for policy reasons. Relays from host denied in your configuration.
2011-06-02 09:59:46 SMTP Server [0E60:0054-0B94] Attempt to relay mail from [119.131.160.6] rejected for policy reasons. Relays from host denied in your configuration.
2011-06-02 09:59:46 SMTP Server [0E60:0054-0B94] Attempt to relay mail from [119.131.160.6] rejected for policy reasons. Relays from host denied in your configuration.
2011-06-02 09:59:46 SMTP Server [0E60:0054-0B94] Attempt to relay mail from [119.131.160.6] rejected for policy reasons. Relays from host denied in your configuration.
2011-06-02 09:59:46 SMTP Server [0E60:0054-0B94] Attempt to relay mail from [119.131.160.6] rejected for policy reasons. Relays from host denied in your configuration.
2011-06-02 09:59:46 SMTP Server [0E60:0054-0B94] Attempt to relay mail from [119.131.160.6] rejected for policy reasons. Relays from host denied in your configuration.
2011-06-02 09:59:46 SMTP Server [0E60:0054-0B94] Attempt to relay mail from [119.131.160.6] rejected for policy reasons. Relays from host denied in your configuration.
2011-06-02 09:59:46 SMTP Server [0E60:0054-0B94] Attempt to relay mail from [119.131.160.6] rejected for policy reasons. Relays from host denied in your configuration.
2011-06-02 09:59:46 SMTP Server [0E60:0054-0B94] Attempt to relay mail from [119.131.160.6] rejected for policy reasons. Relays from host denied in your configuration.
2011-06-02 09:59:46 SMTP Server [0E60:0054-0B94] Attempt to relay mail from [119.131.160.6] rejected for policy reasons. Relays from host denied in your configuration.
2011-06-02 09:59:46 SMTP Server [0E60:0054-0B94] Attempt to relay mail from [119.131.160.6] rejected for policy reasons. Relays from host denied in your configuration.
2011-06-02 09:59:46 SMTP Server: 119.131.160.6 disconnected. 0 message[s] received
2011-06-02 09:59:46 POP3 Server: 119.131.160.6 connected
说明：
  AAAA是公司的邮件服务器
  119.131.160.6是分公司的公网IP
我想明白为什么会有这么多中继信息呢。我的服务器是没有开启中继的。
SMTP Server [0E60:0054-0B94] Attempt to relay mail from [119.131.160.6] rejected for policy reasons. Relays from host denied in your configuration.

------解决方案--------------------
太有难度了 没看懂
------解决方案--------------------
不开通中继,怎么通信