邮件架构:2台mailbox,一台CAS,dmz放有一台第三方垃圾邮件网关。
在邮件发送日志下看到文件如下:
#Software: Microsoft Exchange Server
#Version: 15.0.0.0
#Log-type: SMTP Send Protocol Log
#Date: 2013-12-31T01:53:51.857Z
#Fields: date-time,connector-id,session-id,sequence-number,local-endpoint,remote-endpoint,event,data,context
2013-12-31T01:53:48.763Z,MailGateway,08D0CE8B299D5279,0,,10.180.7.10:25,*,,attempting to connect
2013-12-31T01:54:09.794Z,MailGateway,08D0CE8B299D5279,1,,10.180.7.10:25,*,,"Failed to connect. Winsock error code: 10060, Win32 error code: 10060, Error Message: A connection attempt failed because the connected party did not properly respond after a period
of time, or established connection failed because connected host has failed to respond 10.180.7.10:25"
目前邮件退信如下:
chenc@***.com
Remote Server at [10.180.7.10] (10.180.7.10) returned '400 4.4.7 Message delayed'
12/30/2013 7:11:25 PM - Remote Server at [10.180.7.10] (10.180.7.10) returned '441 4.4.1 Error encountered while communicating with primary target IP address: "Failed to connect. Winsock error code: 10060, Win32 error code: 10060." Attempted failover
to alternate host, but that did not succeed. Either there are no alternate hosts, or delivery failed to all alternate hosts. The last endpoint attempted was 10.180.7.10:25'
ouyangq@sch***.com
Remote Server at [10.180.7.10] (10.180.7.10) returned '400 4.4.7 Message delayed'
12/30/2013 7:11:25 PM - Remote Server at [10.180.7.10] (10.180.7.10) returned '441 4.4.1 Error encountered while communicating with primary target IP address: "Failed to connect. Winsock error code: 10060, Win32 error code: 10060." Attempted failover
to alternate host, but that did not succeed. Either there are no alternate hosts, or delivery failed to all alternate hosts. The last endpoint attempted was 10.180.7.10:25'
我使用telnet来测试25端口都是通的