退信——417 Temporary delivery error
 

[PeekTime] 1353638066 : Fri, 23 Nov 2012 10:34:26 +0800
<<
ErrCode = -152
ErrString = End of socket stream data
SMAIL SMTP-Send MX = "gateway.cpip.net.cn." SMTP = "bdc.cn" From = "zhengyan@bdc.cn" To = "xinxihuachu@bjgzw.gov.cn" Failed !
SMTP-Error = "417 Temporary delivery error"
SMTP-Server = "gateway.cpip.net.cn."
>>
[PeekTime] 1353638258 : Fri, 23 Nov 2012 10:37:38 +0800
<<
ErrCode = -152
ErrString = End of socket stream data
SMAIL SMTP-Send MX = "gateway.cpip.net.cn." SMTP = "bdc.cn" From = "zhengyan@bdc.cn" To = "xinxihuachu@bjgzw.gov.cn" Failed !
SMTP-Error = "417 Temporary delivery error"
SMTP-Server = "gateway.cpip.net.cn."
>>
[PeekTime] 1353638450 : Fri, 23 Nov 2012 10:40:50 +0800
<<
ErrCode = -152
ErrString = End of socket stream data
SMAIL SMTP-Send MX = "gateway.cpip.net.cn." SMTP = "bdc.cn" From = "zhengyan@bdc.cn" To = "xinxihuachu@bjgzw.gov.cn" Failed !
SMTP-Error = "417 Temporary delivery error"
SMTP-Server = "gateway.cpip.net.cn."
>>
[PeekTime] 1353638658 : Fri, 23 Nov 2012 10:44:18 +0800
<<
ErrCode = -152
ErrString = End of socket stream data
SMAIL SMTP-Send MX = "gateway.cpip.net.cn." SMTP = "bdc.cn" From = "zhengyan@bdc.cn" To = "xinxihuachu@bjgzw.gov.cn" Failed !
SMTP-Error = "417 Temporary delivery error"
SMTP-Server = "gateway.cpip.net.cn."
>>
[PeekTime] 1353638882 : Fri, 23 Nov 2012 10:48:02 +0800
<<
ErrCode = -152
ErrString = End of socket stream data
SMAIL SMTP-Send MX = "gateway.cpip.net.cn." SMTP = "bdc.cn" From = "zhengyan@bdc.cn" To = "xinxihuachu@bjgzw.gov.cn" Failed !
SMTP-Error = "417 Temporary delivery error"
SMTP-Server = "gateway.cpip.net.cn."
>>
尝试改参数，更改SMTP超时时间，不好使，连接次数，不好使。
最后在服务器上用命令行连接，果然发现问题。
[root@localhost init.d]# telnet gateway.cpip.net.cn 25
Trying 210.73.64.194...
telnet: connect to address 210.73.64.194: Connection timed out
[root@localhost init.d]# telnet gateway.cpip.net.cn 25
Trying 210.73.64.194...
telnet: connect to address 210.73.64.194: Connection timed out
[root@localhost init.d]#
连不上，换其他服务器试一下
root@mail:~# telnet gateway.cpip.net.cn 25
Trying 210.73.64.194...
Connected to gateway.cpip.net.cn.
Escape character is '^]'.
220 Welcome to my smtp server(EQManager V6.0) ESMTP
果然还是服务器有问题，查一下网络就可解决