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.
不知道是什么
问题,请帮助!
STMPsend日志如下: