[求助]在美国主机上无法发信，国内主机就可以，配置类似

CodeBeginner

有两个主机，一个在国外，一个在国内，使用不用的域名，都用mdaemon8.0架设邮件服务器，dns的信息都来自在主机上运行inconfig/all命令，安装时候除了域名和dns设置，没有做任何修改，然国内的主机可以发出邮件，而国外的主机邮件无法发送。<br>
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使用nslookup -qt=mx 域名得到的信息类似，如下：<br>
nslookup -qt=mx game.com<br>
<br>
server:rns01.prod.phx1.secureserver.net<br>
address:216.69.160.1<br>
<br>
game.com<br>
primary name server =ns6.hotsales.net<br>
responsible mail addr = admin.hotsales.net<br>
serial =7<br>
refresh = 900(15 mins)<br>
retry = 600 (15 mins)<br>
expire = 864000(1 day)<br>
default ttl= 3600 (1 hour)<br>
<br>
也有考虑mx记录的问题，但两个域名的dns文件中都没有mx记录，为何国内的可以，国外的不可以，已经在联系域名提供商增加mx记录，但不确定是否为这个问题。<br>
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国外主机的smtp(out)的记录如下：<br>
stmp(out)<br>
Sat 2006-03-25 02:08:13: Session 2; child 1<br>
Sat 2006-03-25 02:06:49: Parsing Message <c:\mdaemon\queues\remote\pd35000000001.msg><br>
Sat 2006-03-25 02:06:49: From: webmaster@game-sale.com<br>
Sat 2006-03-25 02:06:49: To: stephen_wolflord@hotmail.com<br>
Sat 2006-03-25 02:06:49: Subject: =?iso-8859-1?Q?Your_Account_information_of_Game-Sale=2Ecom?=<br>
Sat 2006-03-25 02:06:49: Message-ID: <br>
Sat 2006-03-25 02:06:49: MX-record resolution of [hotmail.com] in progress (DNS Server: 216.69.160.1)...<br>
Sat 2006-03-25 02:06:49: * P=005 D=hotmail.com TTL=(59) MX=[mx4.hotmail.com] {65.54.244.232}<br>
Sat 2006-03-25 02:06:49: * P=005 D=hotmail.com TTL=(59) MX=[mx3.hotmail.com] {65.54.244.72}<br>
Sat 2006-03-25 02:06:49: * P=005 D=hotmail.com TTL=(59) MX=[mx2.hotmail.com] {65.54.190.50}<br>
Sat 2006-03-25 02:06:49: * P=005 D=hotmail.com TTL=(59) MX=[mx1.hotmail.com] {65.54.244.8}<br>
Sat 2006-03-25 02:06:49: Attempting MX: P=005 D=hotmail.com TTL=(59) MX=[mx1.hotmail.com] {65.54.244.8}<br>
Sat 2006-03-25 02:06:49: Attempting SMTP connection to [65.54.244.8 : 25]<br>
Sat 2006-03-25 02:06:49: Waiting for socket connection...<br>
Sat 2006-03-25 02:07:10: Winsock Error 10060 The connection timed out.<br>
Sat 2006-03-25 02:07:10: Attempting MX: P=005 D=hotmail.com TTL=(59) MX=[mx2.hotmail.com] {65.54.190.50}<br>
Sat 2006-03-25 02:07:10: Attempting SMTP connection to [65.54.190.50 : 25]<br>
Sat 2006-03-25 02:07:10: Waiting for socket connection...<br>
Sat 2006-03-25 02:07:31: Winsock Error 10051 The network is unreachable.<br>
Sat 2006-03-25 02:07:31: Attempting MX: P=005 D=hotmail.com TTL=(59) MX=[mx3.hotmail.com] {65.54.244.72}<br>
Sat 2006-03-25 02:07:31: Attempting SMTP connection to [65.54.244.72 : 25]<br>
Sat 2006-03-25 02:07:31: Waiting for socket connection...<br>
Sat 2006-03-25 02:07:52: Winsock Error 10051 The network is unreachable.<br>
Sat 2006-03-25 02:07:52: Attempting MX: P=005 D=hotmail.com TTL=(59) MX=[mx4.hotmail.com] {65.54.244.232}<br>
Sat 2006-03-25 02:07:52: Attempting SMTP connection to [65.54.244.232 : 25]<br>
Sat 2006-03-25 02:07:52: Waiting for socket connection...<br>
Sat 2006-03-25 02:08:13: Winsock Error 10051 The network is unreachable.<br>
Sat 2006-03-25 02:08:13: This message is 1 minutes old; it has 59 minutes left in this queue<br>
Sat 2006-03-25 02:08:13: SMTP session terminated (Bytes in/out: 0/0)<br>
Sat 2006-03-25 02:08:13: ----------<br>
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有个winsock error 10051,根据windows socket 错误码，Network is unreachable. 试图和一个无法到达的网络进行套接字操作。它常常意味着本地软件不知道到达远程主机的路由。但我还是不知道如何解决。<br>
<br>
是mdaemon的设置问题还是其他缘由？<br>
期待指点，静候回复。<br>
<br>

CodeBeginner

发不出信的主机为Win2003＋iis,iis的smtp服务已经卸载了<br>

CodeBeginner

恳请版主看看

stdmis

一般為網絡問題。

CodeBeginner

在主机上telnet hotmail的几个ip的25端口，换其他的邮件地址，再telnet对方主机，都一样，都无法连接。<br>
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没有第三方防火墙软件，window自带的防火墙没有安装<br>
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域名提供商的mx记录已经添加生效<br>
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还是winsock 10060和10051错误，如上md日志所述<br>
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iis的web服务是正常的，使用域名可以浏览主页等都没有问题，需要跟主机提供商说些什么来解决这个问题，还是自己需要做些设置？<br>
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期待回复。<br>
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感谢版主的回复，希望您能给我一些细化的信息。