最近老是拒收客户邮件
启用了rbl：zen.spamhaus.org其他都是默认设置，这两天很多客户，包括在trust domain上的发邮件过来都被拒
不晓得什么原因啊
Technical details of permanent failure:
Google tried to deliver your message, but it was rejected by the recipient domain. We recommend contacting the other email provider for further information about the cause of this error. The error that the other server returned was: 554 554 Sorry, message looks like SPAM to me (state 18).
Technical details of permanent failure:
Google tried to deliver your message, but it was rejected by the recipient domain. We recommend contacting the other email provider for further information about the cause of this error. The error that the other server returned was: 550 550<lemon@mbmydear.com >, Recipient unknown (state 14).
应该修改策略的哪些部分呢，信任域现在不能完全解决
每天拒收的垃圾邮件在50%左右。
看了下日志，为什么会是收件人未知呢，明明有这个用户
Performing SPF lookup (oliviamiller.com / 216.254.66.106)Tue 2008-08-26 00:04:37: * Result: none; no SPF record in DNS
Tue 2008-08-26 00:04:37: ---- End SPF results
Tue 2008-08-26 00:04:37: --> 250 <susanson@xxx.com>, Sender ok
Tue 2008-08-26 00:04:46: <-- RCPT TO:<Maggie@yyy.com>
Tue 2008-08-26 00:04:46: Performing DNS-BL lookup (216.254.66.106 - connecting IP)
Tue 2008-08-26 00:04:46: * zen.spamhaus.org - failed
Tue 2008-08-26 00:04:46: ---- End DNS-BL results
Tue 2008-08-26 00:04:46: 'Recipient unknown' given and connection dropped to divert future spam
Tue 2008-08-26 00:04:46: --> 550 <Maggie@yyy.com>, Recipient unknown 换个DNS试试
zen.spamhaus.org - failed没起作用 嗯，用的电信的dns啊
不敢随便换
我取消掉rbl算了
客户为什么会退信呢？
Recipient unknown会是什么问题呢
Tue 2008-08-26 06:29:51: Session 54; child 1; thread 760Tue 2008-08-26 06:29:48: Accepting SMTP connection from
Tue 2008-08-26 06:29:48: --> 220 mbmydear.com ESMTP MDaemon 9.6.5; Tue, 26 Aug 2008 06:29:48 +0800
Tue 2008-08-26 06:29:49: <-- EHLO ntftsvr.neetfeet.local
Tue 2008-08-26 06:29:49: Performing IP lookup (ntftsvr.neetfeet.local)
Tue 2008-08-26 06:29:49: * D=ntftsvr.neetfeet.local TTL=(1) A=
Tue 2008-08-26 06:29:49: ---- End IP lookup results
Tue 2008-08-26 06:29:49: --> 250-mbmydear.com Hello ntftsvr.neetfeet.local (may be forged), pleased to meet you
Tue 2008-08-26 06:29:49: --> 250-ETRN
Tue 2008-08-26 06:29:49: --> 250-AUTH=LOGIN
Tue 2008-08-26 06:29:49: --> 250-AUTH LOGIN CRAM-MD5
Tue 2008-08-26 06:29:49: --> 250-8BITMIME
Tue 2008-08-26 06:29:49: --> 250 SIZE 0
Tue 2008-08-26 06:29:49: <-- MAIL FROM:<alex.r@neetfeet.com.au>
Tue 2008-08-26 06:29:49: Performing IP lookup (neetfeet.com.au)
Tue 2008-08-26 06:29:50: * D=neetfeet.com.au TTL=(60) A=
Tue 2008-08-26 06:29:50: * P=010 S=000 D=neetfeet.com.au TTL=(60) MX= {165.228.236.108}
Tue 2008-08-26 06:29:50: * P=65535 S=001 D=neetfeet.com.au TTL=(60) MX= {203.50.40.137}
Tue 2008-08-26 06:29:50: ---- End IP lookup results
Tue 2008-08-26 06:29:50: Performing SPF lookup (neetfeet.com.au / 165.228.236.108)
Tue 2008-08-26 06:29:51: * Result: none; no SPF record in DNS
Tue 2008-08-26 06:29:51: ---- End SPF results
Tue 2008-08-26 06:29:51: --> 250 <alex.r@neetfeet.com.au>, Sender ok
Tue 2008-08-26 06:29:51: <-- RCPT TO:<jm@mbmydear.com>
Tue 2008-08-26 06:29:51: Performing DNS-BL lookup (165.228.236.108 - connecting IP)
Tue 2008-08-26 06:29:51: * zen.spamhaus.org - failed
Tue 2008-08-26 06:29:51: ---- End DNS-BL results
Tue 2008-08-26 06:29:51: 'Recipient unknown' given and connection dropped to divert future spam
Tue 2008-08-26 06:29:51: --> 550 <jm@mbmydear.com>, Recipient unknown
Tue 2008-08-26 06:29:51: SMTP session terminated (Bytes in/out: 92/315)
Tue 2008-08-26 06:29:51: ----------
[ 本帖最后由 mayborn 于 2008-8-26 11:19 编辑 ]
回复 5楼 mayborn 的帖子
因为DNS－BL挡了，默认设置被DNS黑名单挡会返回未知用户错误信息。 原帖由 wxhsh 于 2008-8-26 11:54 发表 http://bbs.5dmail.net/images/common/back.gif因为DNS－BL挡了，默认设置被DNS黑名单挡会返回未知用户错误信息。
但是我去spamhaus查询他们的ip不在任何黑名单之列
只好先去掉rbl看看效果了
回复 7楼 mayborn 的帖子
可能你的DNS SERVER被劫持了，那只能去掉RBL或更换DNS SERVER 原帖由 wxhsh 于 2008-8-26 12:14 发表 http://bbs.5dmail.net/images/common/back.gif可能你的DNS SERVER被劫持了，那只能去掉RBL或更换DNS SERVER
嗯，我朝DNS劫持太普遍了
但是又不敢随便换
大家有用过opendns的么
回复 9楼 mayborn 的帖子
我的经验是找全国的DNS SERVER，然后从最接近物理位置的地方测试，找速度快并未被劫持的，累是蛮累，但也是一劳永逸（相对）的事。
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