急求解答！为何无法将邮件投递到国外邮箱？？？

kolby

急求解答<br>
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为何我的邮件服务器无法将邮件传递到国外？？<br>
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所有发出去的邮件都被系统提示为无法投递！！！<br>
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比如我发送到新加坡以.com.sg为域名的邮箱！！！<img src="../leadbbsfile/UBBicon/em09.GIF" width=20 height=20 align=absmiddle border=0><br>
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抽象派

可能是被外国封了IP。加入黑名单了。<br>
以前我试过寄去日本也不行。一封都收不到。。。~~~晕。

kolby

这个是系统的退信，请各位看看怎么回事！！！<br>
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见下面信息:<br>
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This is an automatically generated Delivery Status Notification.<br>
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THIS IS A WARNING MESSAGE ONLY.<br>
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YOU DO NOT NEED TO RESEND YOUR MESSAGE.<br>
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Delivery to the following recipients has been delayed.<br>
<br>－－－－－ flora@harvests.com.sg －－－－－这个是对方邮件地址<br>
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This is an automatically generated Delivery Status Notification.<br>
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THIS IS A WARNING MESSAGE ONLY.<br>
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YOU DO NOT NEED TO RESEND YOUR MESSAGE.<br>
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Delivery to the following recipients has been delayed.<br>
<br>－－－－－－ stanleyko@harvests.com.sg －－－－这个是对方邮件地址<br>
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smallbigbox

先看一下能否解析对方的mx记录

kolby

请问楼上的,该如何测试?????

kolby

C:\Documents and Settings\Administrator>nslookup<br>
Default Server: ns.szptt.net.cn<br>
Address: 202.96.134.133<br>
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> set q=mx<br>
> harveststech.com.sg<br>
Server: ns.szptt.net.cn<br>
Address: 202.96.134.133<br>
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*** ns.szptt.net.cn can't find harveststech.com.sg: Non-existent domain<br>
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这就是MX的解析记录,好象是无法解析的<br>
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请问大家该如何解决啊????

kolby

C:\Documents and Settings\Administrator>nslookup<br>
Default Server: dns.guangzhou.gd.cn<br>
Address: 202.96.128.68<br>
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> set q=mx<br>
> harvests.com.sg<br>
Server: dns.guangzhou.gd.cn<br>
Address: 202.96.128.68<br>
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Non-authoritative answer:<br>
harvests.com.sg MX preference = 10, mail exchanger = relay.webvis.net<br>
harvests.com.sg MX preference = 0, mail exchanger = mail.harvests.com.sg<br>
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harvests.com.sg nameserver = ns1.webvis.net<br>
harvests.com.sg nameserver = ns2.webvis.net<br>
mail.harvests.com.sg internet address = 202.157.167.120<br>
relay.webvis.net internet address = 202.157.144.2<br>
ns1.webvis.net internet address = 202.157.163.157<br>
ns2.webvis.net internet address = 202.157.131.118<br>
><br>
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刚才的测试有问题,现在测试过了可以解析对方的mx记录啊,但为什么就是发送出去的邮件都会被退回来呢???