wo Winsock Error 10065

yon

我服务器连接了PPTP VPN模式，接收邮件可以，但是发送就发不出去.



Thu 2010-06-03 04:50:52: [39:1] *  From: *
Thu 2010-06-03 04:50:52: [39:1] *  To: *
Thu 2010-06-03 04:50:52: [39:1] *  Subject: : can't login
Thu 2010-06-03 04:50:52: [39:1] *  Size (bytes): 15242
Thu 2010-06-03 04:50:52: [39:1] *  Message-ID: <[email=WC20100602204548.620002@*]WC20100602204548.620002@*[/email]>
Thu 2010-06-03 04:50:52: [39:1] Attempting SMTP connection to [he.net]
Thu 2010-06-03 04:50:52: [39:1] Resolving MX records for [he.net] (DNS Server: 66.165.162.24)...
Thu 2010-06-03 04:50:52: [39:1] *  P=001 S=000 D=he.net TTL=(1056) MX=[he.net] {216.218.186.2}
Thu 2010-06-03 04:50:52: [39:1] Attempting SMTP connection to [216.218.186.2:25]
Thu 2010-06-03 04:50:52: [39:1] Waiting for socket connection...
Thu 2010-06-03 04:51:13: [39:1] *  Winsock Error 10065 The host is unreachable.  Are you connected to the network?
Thu 2010-06-03 04:51:13: [39:1] *  216.218.186.2 added to connection failure cache for 5 minutes
Thu 2010-06-03 04:51:13: [39:1] Attempting to send message to smart host
Thu 2010-06-03 04:51:13: [39:1] Attempting SMTP connection to [smtp.gmail.com:25]
Thu 2010-06-03 04:51:13: [39:1] Resolving A record for [smtp.gmail.com] (DNS Server: 66.165.162.24)...
Thu 2010-06-03 04:51:14: [39:1] *  D=gmail-smtp-msa.l.google.com TTL=(0) A=[74.125.67.109]
Thu 2010-06-03 04:51:14: [39:1] Attempting SMTP connection to [74.125.67.109:25]
Thu 2010-06-03 04:51:14: [39:1] Waiting for socket connection...
Thu 2010-06-03 04:51:35: [39:1] *  Winsock Error 10065 The host is unreachable.  Are you connected to the network?
Thu 2010-06-03 04:51:35: [39:1] *  74.125.67.109 added to connection failure cache for 5 minutes
Thu 2010-06-03 04:51:35: [39:1] This message is 5 minutes old; it has 5 minutes left in this queue
Thu 2010-06-03 04:51:35: [39:1] SMTP session terminated (Bytes in/out: 0/0)

我搜索了下，可能是连接PPTP后，还需要设置路由，指定从从哪个网卡或者接口出去.
但是不知道怎么设置. 哪位大大给帮帮...

WSAEHOSTUNREACH (10065) No Route to Host

A socket operation was attempted to an unreachable host.

TCP/IP scenario: In BSD-compatible implementations, the local network system generates this error if there isn't a default route configured. Typically, though, Winsock generates WSAENETUNREACH when it receives a 'host unreachable' ICMP message from a router instead of WSAEHOSTUNREACH. The ICMP message means that the router can't forward the IP datagram, possibly because it didn't get a response to the ARP request (which might mean the destination host is down).