【求助】Mdaemon無法寄信到Hinet

我寄信到hinet，有時候會出現寄不到對方，
查一下Log，卻出現以下的msg，
看老半天，還是看不懂，
請問要如何解決呢？
PS:寄其它的地方都滿正常的，也有用nslookup查過，看不出那有問題， > <

Fri 2004-01-30 13:39:44: [-1:995] Parsing Message <D:\MDAEMON\Remoteq\Retry\pd90000000091.msg>
Fri 2004-01-30 13:39:44: [-1:995] From: [email][email protected][/email]
Fri 2004-01-30 13:39:44: [-1:995] To: [email][email protected][/email]
Fri 2004-01-30 13:39:44: [-1:995] Subject: =?big5?B?Rlc6IKijw9KmWMV3pHOwz6RRvmymfqjTs8ykaqq6pECz9bO3LS2zt6pwuPSqcL1n?=
Fri 2004-01-30 13:39:44: [-1:995] Message-ID: <[email protected]>
Fri 2004-01-30 13:39:44: [-1:995] MX-record resolution of [msa.hinet.net] in progress (DNS Server: 168.95.1.1)...
Fri 2004-01-30 13:39:44: [-1:995] P=000 D=msa.hinet.net TTL=(1404) MX=[msa-mx7.hinet.net] {168.95.5.144}
Fri 2004-01-30 13:39:44: [-1:995] P=000 D=msa.hinet.net TTL=(1404) MX=[msa-mx6.hinet.net]
Fri 2004-01-30 13:39:44: [-1:995] P=000 D=msa.hinet.net TTL=(1404) MX=[msa-mx5.hinet.net]
Fri 2004-01-30 13:39:44: [-1:995] P=000 D=msa.hinet.net TTL=(1404) MX=[msa-mx4.hinet.net]
Fri 2004-01-30 13:39:44: [-1:995] P=000 D=msa.hinet.net TTL=(1404) MX=[msa-mx3.hinet.net]
Fri 2004-01-30 13:39:44: [-1:995] P=000 D=msa.hinet.net TTL=(1404) MX=[msa-mx2.hinet.net] {168.95.5.108}
Fri 2004-01-30 13:39:44: [-1:995] P=000 D=msa.hinet.net TTL=(1404) MX=[msa-mx1.hinet.net] {168.95.5.103}
Fri 2004-01-30 13:39:44: [-1:995] Attempting MX: P=000 D=msa.hinet.net TTL=(1404) MX=[msa-mx1.hinet.net] {168.95.5.103}
Fri 2004-01-30 13:39:44: [-1:995] Attempting SMTP connection to [168.95.5.103 : 25]
Fri 2004-01-30 13:39:44: [576:995] Waiting for socket connection...
Fri 2004-01-30 13:39:46: [576:995] Winsock Error 10061 The other host is either down or has refused to connect with you at that IP and/or on that port.
Fri 2004-01-30 13:39:46: [576:995] Attempting MX: P=000 D=msa.hinet.net TTL=(1404) MX=[msa-mx2.hinet.net] {168.95.5.108}
Fri 2004-01-30 13:39:46: [576:995] Attempting SMTP connection to [168.95.5.108 : 25]
Fri 2004-01-30 13:39:46: [400:995] Waiting for socket connection...
Fri 2004-01-30 13:39:46: [400:995] Socket connection established
Fri 2004-01-30 13:39:46: [400:995] Waiting for protocol initiation...
Fri 2004-01-30 13:39:49: [400:995] Winsock Error 10053 Software caused a connection abort.
Fri 2004-01-30 13:39:49: [400:995] Unexpected socket closure
Fri 2004-01-30 13:39:49: [400:995] Attempting MX: P=000 D=msa.hinet.net TTL=(1404) MX=[msa-mx3.hinet.net]
Fri 2004-01-30 13:39:49: [400:995] Attempting SMTP connection to [msa-mx3.hinet.net : 25]
Fri 2004-01-30 13:39:49: [400:995] Cache hit on [msa-mx3.hinet.net]; IP = [168.95.5.115]
Fri 2004-01-30 13:39:49: [500:995] Waiting for socket connection...
Fri 2004-01-30 13:39:51: [500:995] Winsock Error 10061 The other host is either down or has refused to connect with you at that IP and/or on that port.
Fri 2004-01-30 13:39:51: [500:995] Attempting MX: P=000 D=msa.hinet.net TTL=(1404) MX=[msa-mx4.hinet.net]
Fri 2004-01-30 13:39:51: [500:995] Attempting SMTP connection to [msa-mx4.hinet.net : 25]
Fri 2004-01-30 13:39:51: [500:995] Cache hit on [msa-mx4.hinet.net]; IP = [168.95.5.116]
Fri 2004-01-30 13:39:51: [380:995] Waiting for socket connection...
Fri 2004-01-30 13:39:53: [380:995] Winsock Error 10061 The other host is either down or has refused to connect with you at that IP and/or on that port.
Fri 2004-01-30 13:39:53: [380:995] Attempting MX: P=000 D=msa.hinet.net TTL=(1404) MX=[msa-mx5.hinet.net]
Fri 2004-01-30 13:39:53: [380:995] Attempting SMTP connection to [msa-mx5.hinet.net : 25]
Fri 2004-01-30 13:39:53: [380:995] Cache hit on [msa-mx5.hinet.net]; IP = [168.95.5.132]
Fri 2004-01-30 13:39:53: [516:995] Waiting for socket connection...
Fri 2004-01-30 13:39:58: [516:995] Winsock Error 10061 The other host is either down or has refused to connect with you at that IP and/or on that port.
Fri 2004-01-30 13:39:58: [516:995] Attempting MX: P=000 D=msa.hinet.net TTL=(1404) MX=[msa-mx6.hinet.net]
Fri 2004-01-30 13:39:58: [516:995] Attempting SMTP connection to [msa-mx6.hinet.net : 25]
Fri 2004-01-30 13:39:58: [516:995] Cache hit on [msa-mx6.hinet.net]; IP = [168.95.5.136]
Fri 2004-01-30 13:39:58: [604:995] Waiting for socket connection...
Fri 2004-01-30 13:40:12: [604:995] Winsock Error 10061 The other host is either down or has refused to connect with you at that IP and/or on that port.
Fri 2004-01-30 13:40:12: [604:995] Attempting MX: P=000 D=msa.hinet.net TTL=(1404) MX=[msa-mx7.hinet.net] {168.95.5.144}
Fri 2004-01-30 13:40:12: [604:995] Attempting SMTP connection to [168.95.5.144 : 25]
Fri 2004-01-30 13:40:12: [344:995] Waiting for socket connection...
Fri 2004-01-30 13:40:16: [344:995] Winsock Error 10061 The other host is either down or has refused to connect with you at that IP and/or on that port.
Fri 2004-01-30 13:40:16: [344:995] This message is 0 days old; it has 1 days left to get delivered
Fri 2004-01-30 13:40:16: [344:995] SMTP session abnormally terminated, 0 bytes transferred.