各位高手,收到如下邮件退件信息应该如何处理?

leangwang

Your message could not be sent.
A transcript of the attempts to send the message follows.
The number of attempts made: 2
Addressed To:
[email=*****@comcast.net]*****@comcast.net[/email]
Tuesday, 17 July 2007, 15:21:08
(2) Failed to send to identified host,
[gateway-s.comcast.net], 450-61.143.**.** is blocked domain (failure) 450 There is a failure in your reverse DNS lookup. You must have a reverse DNS entry to send mail into the Comcast.net domain. Please correct the error or contact your email provider for assistance before trying again. [SMTP server error] [gateway-a.comcast.net], 450-61.143.**.** is blocked domain (failure) 450 There is a failure in your reverse DNS lookup. You must have a reverse DNS entry to send mail into the Comcast.net domain. Please correct the error or contact your email provider for assistance before trying again. [SMTP server error] [gateway-r.comcast.net], 450-61.143.**.** is blocked domain (failure) 450 There is a failure in your reverse DNS lookup. You must have a reverse DNS entry to send mail into the Comcast.net domain. Please correct the error or contact your email provider for assistance before trying again. [SMTP server error]
Tuesday, 17 July 2007, 16:51:31
Failed to send to identified host,
[gateway-s.comcast.net], 450-61.143.**.** is blocked domain (failure) 450 There is a failure in your reverse DNS lookup. You must have a reverse DNS entry to send mail into the Comcast.net domain. Please correct the error or contact your email provider for assistance before trying again. [SMTP server error] [gateway-a.comcast.net], 450-61.143.**.**
is blocked domain (failure) 450 There is a failure in your reverse DNS lookup. You must have a reverse DNS entry to send mail into the Comcast.net domain. Please correct the error or contact your email provider for assistance before trying again. [SMTP server error] [gateway-r.comcast.net], 450-61.143.**.** is blocked domain (failure) 450 There is a failure in your reverse DNS lookup. You must have a reverse DNS entry to send mail into the Comcast.net domain. Please correct the error or contact your email provider for assistance before trying again. [SMTP server error]
--- Message non-deliverable.

[ 本帖最后由 leangwang 于 2007-7-17 19:04 编辑 ]

sky8818

GFW問題. 本月24日晚12:00之后就會正常.

atong999888

本月24日晚12:00之后就會正常
为什么? 能说说理由吗?

dennishan

一楼好像不是GFW问题，不要遇到退信都说是这个原因。

按照退信，是说必须有反向解析才能发送，楼主没做反解吧。

You must have a reverse DNS entry to send mail into the Comcast.net domain.

钉子

我也想知道为什么有这个准确的日子

leangwang

我看提示也好象是需要DNS反向解析,但我正向解析我都不会,别说反向解析?
有谁可以告诉我怎么做吗?

jhonlone

看起来对方反垃圾邮件系统启用了反向DNS，方法两个：
1.联系对方管理员，请他将您的服务器IP和域名列入白名单。
2.联系ISP让他们帮你做反向DNS解析。

leangwang

一定要ISP才能做吗?

iwill_mail

原帖由 sky8818 于 2007-7-17 19:31 发表
GFW問題. 本月24日晚12:00之后就會正常.

消息是不是很可靠？

钉子

反解是需要ISP来完成的。联系给你IP的运营商，比如电信或是网通