帮忙看看从公司的邮件服务器发到别人的信箱老是被退回。服务器在台湾，在大陆用foxmail收没有问题，发出的信老是被退回，但有时能发出去。

----- Original Message -----
From: "Mail Delivery Subsystem" <MAILER-DAEMON@Thunder.contrel.com.tw>
To: <victor123@contrel.com.tw>
Sent: Thursday, August 03, 2006 10:48 PM
Subject: Warning: could not send message for past 4 hours


>    **********************************************
>    **      THIS IS A WARNING MESSAGE ONLY      **
>    **  YOU DO NOT NEED TO RESEND YOUR MESSAGE  **
>    **********************************************
>
> The original message was received at Thu, 3 Aug 2006 09:08:42 +0800 (CST)
> from localhost [127.0.0.2] (may be forged)
>
>   ----- Transcript of session follows -----
> <lee@nbcmo.com.cn>,<hu@nbcmo.com.cn>,<hpkmay@nbcmo.com.cn>... Deferred:
> Operation timed out with mail1.nbcmo.com.cn.
> Warning: message still undelivered after 4 hours
> Will keep trying until message is 3 days old
>





----- Original Message -----
From: "Mail Delivery Subsystem" <MAILER-DAEMON@Thunder.contrel.com.tw>
To: <victor123@contrel.com.tw>
Sent: Thursday, August 03, 2006 4:55 PM
Subject: Returned mail: see transcript for details


> The original message was received at Mon, 31 Jul 2006 16:54:34 +0800 (CST)
> from localhost [127.0.0.2] (may be forged)
>
>   ----- The following addresses had permanent fatal errors -----
> <d2674145@yahoo.com.tw>
>
>   ----- Transcript of session follows -----
> <d2674145@yahoo.com.tw>... Deferred: Operation timed out with
> mta-v2.mail.vip.tpe.yahoo.com.
> Message could not be delivered for 3 days
> Message will be deleted from queue
>

向你这样的情况,可以联系merak中国公司.我们能提供更好的解决方案.

大概是什么问题？

到 rbls.org 查查你的Ip

你要提供你的smtp的log才行，
有些境外的服务器需要dns反向解析，以确认不是垃圾邮件发送者贸发的，而这个dns反向解析需要你的ip提供者解决不是随便找个dns服务商能解决的。

怎么退回的信上面都没写退信原因呀。