220 221 ESMTP退信错误
各位看下退信内容，这几天有好几封这样的退信，前面提示发送成功，后面又是失败，是哪的问题？第一封退信：
The attached message had transient non-fatal delivery errors
THIS IS A WARNING MESSAGE ONLY - YOU DO NOT NEED TO RESEND YOUR MESSAGE!
This server is configured to automatically retry delivery at configured
intervals. Subsequent attempts to deliver this message are pending.
Failed address: [email=utag@utag.info]utag@utag.info[/email]
--- Session Transcript ---
Wed 2008-10-08 12:57:14: Parsing Message <xxxxxxxxxxxxxxxxxxxxxxxx\pd35000064937.msg>
Wed 2008-10-08 12:57:14: From: [email=betty@xxxxx.com]betty@xxxxx.com[/email]
Wed 2008-10-08 12:57:14: To: [email=utag@utag.info]utag@utag.info[/email]
Wed 2008-10-08 12:57:14: Subject: 5kg pentoxyverine citrate shipping docs
Wed 2008-10-08 12:57:14: Message-ID: <[email=014201c928f9$bcf413d0$[email]287ba8c0@tianma.com[/email]]014201c928f9$bcf413d0$[email]287ba8c0@tianma.com[/email][/email]>
Wed 2008-10-08 12:57:14: 正在进行[utag.info]的 MX-记录解析（DNS 服务器：61.177.7.1）...
Wed 2008-10-08 12:57:15: * P=005 S=001 D=utag.info TTL=(0) MX=[mail1.cleanport.com]
Wed 2008-10-08 12:57:15: * P=010 S=000 D=utag.info TTL=(0) MX=[mail2.cleanport.com]
Wed 2008-10-08 12:57:15: Attempting MX: P=005 S=001 D=utag.info TTL=(0) MX=[mail1.cleanport.com]
Wed 2008-10-08 12:57:15: 试图 SMTP 连接到 [mail1.cleanport.com : 25]
Wed 2008-10-08 12:57:15: [mail1.cleanport.com] 的 A 记录解析正在进行（DNS 服务器：61.177.7.1）...
Wed 2008-10-08 12:57:15: D=mail1.cleanport.com TTL=(10) A=[212.79.242.245]
Wed 2008-10-08 12:57:15: 试图 SMTP 连接到 [212.79.242.245 : 25]
Wed 2008-10-08 12:57:15: 等候连接...
Wed 2008-10-08 12:57:15: 已建立连接 (192.168.123.5 : 1858 -> 212.79.242.245 : 25)
Wed 2008-10-08 12:57:15: 等待协议初始化...
Wed 2008-10-08 12:57:16: <-- 220 mail26-tower01.nl.cleanport.com CleanSMTPd 1.6.6 ESMTP Service ready
Wed 2008-10-08 12:57:16: --> EHLO xxxxx.com
Wed 2008-10-08 12:57:16: <-- 250-mail26-tower01.nl.cleanport.com Hello [58.211.151.98], pleased to meet you
Wed 2008-10-08 12:57:16: <-- 250-SIZE 35000000
Wed 2008-10-08 12:57:16: <-- 250 HELP
Wed 2008-10-08 12:57:16: --> MAIL From:<[email=betty@xxxxx.com]betty@xxxxx.com[/email]> SIZE=1313498
Wed 2008-10-08 12:57:17: <-- 250 <[email=betty@xxxxx.com]betty@xxxxx.com[/email]>... Sender ok
Wed 2008-10-08 12:57:17: --> RCPT To:<[email=utag@utag.info]utag@utag.info[/email]>
Wed 2008-10-08 12:57:17: <-- 250 Recipient ok
Wed 2008-10-08 12:57:17: --> DATA
Wed 2008-10-08 12:57:17: <-- 354 Send from Rising mail proxy
Wed 2008-10-08 12:57:17: 正在发送 <d:\mdaemon\queues\remote\pd35000064937.msg> 到 [212.79.242.245]
Wed 2008-10-08 12:57:17: 发送完成。
Wed 2008-10-08 12:59:07: Socket connection closed by the other side (how rude!)
Wed 2008-10-08 12:59:07: Attempting MX: P=010 S=000 D=utag.info TTL=(0) MX=[mail2.cleanport.com]
Wed 2008-10-08 12:59:07: 试图 SMTP 连接到 [mail2.cleanport.com : 25]
Wed 2008-10-08 12:59:07: [mail2.cleanport.com] 的 A 记录解析正在进行（DNS 服务器：61.177.7.1）...
Wed 2008-10-08 12:59:07: D=mail2.cleanport.com TTL=(0) A=[193.28.13.62]
Wed 2008-10-08 12:59:07: 试图 SMTP 连接到 [193.28.13.62 : 25]
Wed 2008-10-08 12:59:07: 等候连接...
Wed 2008-10-08 12:59:07: 已建立连接 (192.168.123.5 : 1869 -> 193.28.13.62 : 25)
Wed 2008-10-08 12:59:07: 等待协议初始化...
Wed 2008-10-08 12:59:08: <-- 250 FF220 mail28-tower11.nl.cleanport.com CleanSMTPd 1.6.6 ESMTP Service ready
Wed 2008-10-08 12:59:08: --> QUIT
Wed 2008-10-08 12:59:08: <-- 221 mail28-tower11.nl.cleanport.com Service closing transmission channel
Wed 2008-10-08 12:59:08: 此邮件已经过了 64 分；在这个队列还剩 0 分
Wed 2008-10-08 12:59:08: 远程队列生命期已超过；邮件放到重试队列
--- End Transcript --- 第二封退信，感觉都是与220,221 ESMTP有关
The attached message had transient non-fatal delivery errors
THIS IS A WARNING MESSAGE ONLY - YOU DO NOT NEED TO RESEND YOUR MESSAGE!
This server is configured to automatically retry delivery at configured
intervals. Subsequent attempts to deliver this message are pending.
--- Session Transcript ---
Mon 2008-10-06 12:44:52: Parsing Message
<xxxxxxxxxxxxxxxxxxxxxxxx\pd35000064697.msg>
Mon 2008-10-06 12:44:52: From: [email]lylyzhang@xxxxx.com[/email]
Mon 2008-10-06 12:44:52: To: [email]Daniela.Gehrig@bachem.com[/email]
Mon 2008-10-06 12:44:52: Subject:
=?gb2312?B?16q3ojogZG9jdW1lbnRzIGZvciBUQlRVIA==?=
Mon 2008-10-06 12:44:52: Message-ID:
Mon 2008-10-06 12:44:52: Route slip host: bachem.com
Mon 2008-10-06 12:44:52: Route slip port: 25
Mon 2008-10-06 12:44:52: 正在进行[bachem.com]的 MX-记录解析（DNS 服务器：
61.177.7.1）...
Mon 2008-10-06 12:44:53: * P=000 S=001 D=bachem.com TTL=(1440)
MX=[mail.bachem.com] {213.189.138.205}
Mon 2008-10-06 12:44:53: * P=9000 S=000 D=bachem.com TTL=(1440)
MX=[fallback.magnet.ch]
Mon 2008-10-06 12:44:53: Attempting MX: P=000 S=001 D=bachem.com TTL=(1440)
MX=[mail.bachem.com] {213.189.138.205}
Mon 2008-10-06 12:44:53: 试图 SMTP 连接到 [213.189.138.205 : 25]
Mon 2008-10-06 12:44:53: 等候连接...
Mon 2008-10-06 12:44:53: 已建立连接 (192.168.123.5 : 2402 ->
213.189.138.205 : 25)
Mon 2008-10-06 12:44:53: 等待协议初始化...
Mon 2008-10-06 12:45:44: <-- 220 mail.bachem.com Secure ESMTP Server -
unauthorized access prohibited
Mon 2008-10-06 12:45:44: --> EHLO xxxxx.com
Mon 2008-10-06 12:45:44: <-- 250-bachem.com
Mon 2008-10-06 12:45:44: <-- 250-SIZE 10485760
Mon 2008-10-06 12:45:44: <-- 250-ETRN
Mon 2008-10-06 12:45:44: <-- 250-ENHANCEDSTATUSCODES
Mon 2008-10-06 12:45:44: <-- 250-DSN
Mon 2008-10-06 12:45:44: <-- 250-VRFY
Mon 2008-10-06 12:45:44: <-- 250-AUTH
Mon 2008-10-06 12:45:44: <-- 250 8BITMIME
Mon 2008-10-06 12:45:44: --> MAIL From:<[email]lylyzhang@xxxxx.com[/email]>
SIZE=7299292
Mon 2008-10-06 12:45:44: <-- 250 2.0.0 [email]lylyzhang@xxxxx.com[/email] OK
Mon 2008-10-06 12:45:44: --> RCPT To:<[email]Daniela.Gehrig@bachem.com[/email]>
Mon 2008-10-06 12:45:45: <-- 250 2.0.0 [email]Daniela.Gehrig@bachem.com[/email] OK
Mon 2008-10-06 12:45:45: --> RCPT To:<[email]Walter.Muehlecker@bachem.com[/email]>
Mon 2008-10-06 12:45:45: <-- 250 2.0.0 [email]Walter.Muehlecker@bachem.com[/email] OK
Mon 2008-10-06 12:45:45: --> DATA
Mon 2008-10-06 12:45:45: <-- 354 Send from Rising mail proxy
Mon 2008-10-06 12:45:45: 正在发送
<d:\mdaemon\queues\remote\pd35000064697.msg> 到 [213.189.138.205]
Mon 2008-10-06 12:45:47: 发送完成。
Mon 2008-10-06 13:21:30: Socket connection closed by the other side (how
rude!)
Mon 2008-10-06 13:21:30: Attempting MX: P=9000 S=000 D=bachem.com
TTL=(1440) MX=[fallback.magnet.ch]
Mon 2008-10-06 13:21:30: 试图 SMTP 连接到 [fallback.magnet.ch : 25]
Mon 2008-10-06 13:21:30: [fallback.magnet.ch] 的 A 记录解析正在进行（DNS 服
务器：61.177.7.1）...
Mon 2008-10-06 13:21:31: D=fallback.magnet.ch TTL=(120) A=[62.12.136.97]
Mon 2008-10-06 13:21:31: 试图 SMTP 连接到 [62.12.136.97 : 25]
Mon 2008-10-06 13:21:31: 等候连接...
Mon 2008-10-06 13:21:31: 已建立连接 (192.168.123.5 : 2656 -> 62.12.136.97 :
25)
Mon 2008-10-06 13:21:31: 等待协议初始化...
Mon 2008-10-06 13:21:32: <-- 250
FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF220 mx2-lb2.cyberlink.ch
ESMTP
Mon 2008-10-06 13:21:32: --> QUIT
Mon 2008-10-06 13:21:33: <-- 221 mx2-lb2.cyberlink.ch
Mon 2008-10-06 13:21:33: 此邮件已经过了 80 分；在这个队列还剩 0 分
Mon 2008-10-06 13:21:33: 远程队列生命期已超过；邮件放到重试队列
--- End Transcript ---
： 邮件包含 [1] 个文件附件
回复 2楼 job21 的帖子
感觉是被对方反垃圾邮件策略拒绝了。页:
[1]