OKVAN 兄，我公司的email server 近來接收email 有delay ，約3-4分鐘左右先收到，另外有些客戶的email reject 被彈回頭。
我找了很久都未找到原因，請問email 有delay通常會怎樣發生。

以下是一些客戶被彈回頭的log:

-----Original Message-----
From: mailer-daemon@smtp04b.on-nets.com
[mailto:mailer-daemon@smtp04b.on-nets.com]
Sent: Tuesday, March 24, 2009 2:00 PM
To:
Subject: delayed delivery notice

Your message has been received by smtp04b.on-nets.com but has been
undeliverable to the following recipients for at least 2 hours.
The mail system will continue to attempt to deliver your message to these
recipients for a total of 1 days. You do not need to resend your message at
this time.



--- Below this line is a copy of the original message.

Received: (qmail 43427 invoked from network); 24 Mar 2009 03:16:17 -0000
Received: from unknown (HELO mail.on-nets.com) ([210.0.227.33])
(envelope-sender <>)
by smtp04b.on-nets.com (qmail-ldap-1.03) with SMTP
for 24 Mar 2009 03:16:17 -0000
Received: from unknown (HELO King) ([218.189.241.62])
by mail.on-nets.com with ESMTP; 24 Mar 2009 11:16:13 +0800


Subject: xxxxxxxxxxxxxxxxxxxx

Date: Tue, 24 Mar 2009 11:16:14 +0800
Message-ID: <E3473F9C9E2F4D3DA1CAD9296D94D1EE@King>
MIME-Version: 1.0
Content-Type: multipart/mixed;
boundary="----=_NextPart_000_003D_01C9AC71.F2499400"
X-Priority: 1 (Highest)
X-MSMail-Priority: High
X-Mailer: Microsoft Office Outlook 11
X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5579
Thread-Index: AcmpPfdwmW3fmyfWSROZCA+P+oXIvwCUT7/gAADOUiAAAFB0sAAmvBgA
Importance: High

This is a multi-part message in MIME format.

------=_NextPart_000_003D_01C9AC71.F2499400
Content-Type: multipart/alternative;
boundary="----=_NextPart_001_003E_01C9AC71.F2499400"


------=_NextPart_001_003E_01C9AC71.F2499400
Content-Type: text/plain;
charset="US-ASCII"
Content-Transfer-Encoding: 7bit                                                                                                                                                                                                                       

想問係指定既地區
定係不定時?
有冇用RBL Server?

想問係指定既地區
我問過sender佢地，佢話係香港send的
今日老細report俾我聽，話大陸和美國都有D人的 email 被彈回頭

定係不定時?
呢個月發生的事

有冇用RBL Server?
RBL Server? 是什麼？ 我有 send mail server  係第二部幾來的

RBL 即係有冇用到一些SPAM Email 既Filter service?
你PM你個Email address 比我
要試一試先知

我有開啊spam server, 不過為左check 問題，我停晒了                                                                                                                                                                                                                       

最新error msg

Hi. This is the deliver program at cemail-1003.ce.net.cn.
I'm afraid I wasn't able to deliver your message to the following addresses.
This is a permanent error; I've given up. Sorry it didn't work out.


This message has lived in the queue for too long
--- Attachment is a copy of the message.

[这是服务器 cemail-1003.ce.net.cn 的投递程序返回的提示信息]

到下列地址的信件投递失败，对方服务器无法正常接受或者拒绝接受这封邮件，
这是一个永久性的错误，服务器已经放弃继续投递。


对方服务器返回错误提示:
This message has lived in the queue for too long
--
[附件是您所发送信件的原件]


--Forwarded Message Attachment--
From:
To:
CC:
Subject: Re: L 5386 Danish/Polish Kid for 09_M_24_014
Date: Tue, 24 Mar 2009 16:16:49 +0800

Then could you tell me how to slove the problem, I already disable the spam filiter.