积极答复者
【求助】 exchange 2010 无法给某个域发送邮件,能接收。

问题
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1、公司exchange 2010 今天突然不能给总部发邮件了。
2、邮件队列里面报错信息如下:
xxxxx.com.cn DnsConnectorDelivery 重试 15 "2013年3月5日 16:47:47" "451 4.4.0 Primary target IP address responded with: ""554 5.7.1 You are not allowed to connect.."" Attempted failover to alternate host, but that did not succeed. Either there are no alternate hosts, or delivery failed to all alternate hosts."
不知道是啥问题。请大家帮忙看看。
smtp日志如下:
2013-03-05T09:50:00.991Z,weifu,08CF97064921372C,0,,58.215.201.30:25,*,,attempting to connect
2013-03-05T09:50:01.001Z,weifu,08CF97064921372C,1,192.168.100.103:52117,58.215.201.30:25,+,,
2013-03-05T09:50:01.219Z,weifu,08CF97064921372C,2,192.168.100.103:52117,58.215.201.30:25,<,554 5.7.1 You are not allowed to connect.,
2013-03-05T09:50:01.220Z,weifu,08CF97064921372C,3,192.168.100.103:52117,58.215.201.30:25,>,QUIT,
2013-03-05T09:50:01.220Z,weifu,08CF97064921372C,4,192.168.100.103:52117,58.215.201.30:25,-,,Remote- 已编辑 ksharp_wl 2013年3月5日 10:47 增加内容