这是怎么回事

msboy

Fri 2004-12-31 12:47:16: Attempting SMTP connection to [210.51.187.84 : 25]<br>
Fri 2004-12-31 12:47:16: Waiting for socket connection...<br>
Fri 2004-12-31 12:47:17: Winsock Error 10061 The other host is either down or has refused to connect with you at that IP and/or on that port.<br>
Fri 2004-12-31 12:47:17: This message is 0 days old; it has 2 days left to get delivered<br>
Fri 2004-12-31 12:47:17: SMTP session terminated (Bytes in/out: 0/0)