IP name lookup failed

sandal

出现下面的问题,DNS服务商说他们不提供反向查询服务,难道就这样死了?<br>--- Session Transcript ---<br>
> Thu 2005-05-12 08:36:40: Parsing Message<br>
<xxxxxxxxxxxxxxxxxx\pd50000000439.msg><br>
> Thu 2005-05-12 08:36:40: From: elsa@industrial.com<br>
> Thu 2005-05-12 08:36:40: To: chriss@euro-pro.com<br>
> Thu 2005-05-12 08:36:40: Subject: RE: Japanese Samples<br>
> Thu 2005-05-12 08:36:40: Message-ID:<br>
<001001c55687$81ee9f00$b5a8a8c0@akindustrial.com><br>
> Thu 2005-05-12 08:36:40: MX-record resolution of [euro-pro.com] in<br>
progress (DNS Server: 221.4.98.66)...<br>
> Thu 2005-05-12 08:36:50: 10 second wait for DNS response exceeded<br>
(attempt 1 of 3).<br>
> Thu 2005-05-12 08:36:50: MX-record resolution of [euro-pro.com] in<br>
progress (DNS Server: 202.96.128.68)...<br>
> Thu 2005-05-12 08:37:00: 10 second wait for DNS response exceeded<br>
(attempt 2 of 3).<br>
> Thu 2005-05-12 08:37:00: MX-record resolution of [euro-pro.com] in<br>
progress (DNS Server: 221.4.98.66)...<br>
> Thu 2005-05-12 08:37:00: Packet from DNS server contained an outdated<br>
response<br>
> Thu 2005-05-12 08:37:10: 10 second wait for DNS response exceeded<br>
(attempt 3 of 3).<br>
> Thu 2005-05-12 08:37:10: Attempting SMTP connection to [euro-pro.com :<br>
25]<br>
> Thu 2005-05-12 08:37:10: Cache hit on [euro-pro.com]; IP = [199.84.54.82]<br>
> Thu 2005-05-12 08:37:10: Waiting for socket connection...<br>
> Thu 2005-05-12 08:37:10: Socket connection established (221.4.134.194 :<br>
3763 -> 199.84.54.82 : 25)<br>
> Thu 2005-05-12 08:37:10: Waiting for protocol initiation...<br>
> Thu 2005-05-12 08:37:11: <-- 220 cobalt.liberty-i.net ESMTP Sendmail<br>
8.10.2/8.10.2; Wed, 11 May 2005 20:37:08 -0400<br>
> Thu 2005-05-12 08:37:11: --> EHLO silverplan.com.cn<br>
> Thu 2005-05-12 08:37:12: <-- 250-cobalt.liberty-i.net Hello<br>
[221.4.134.194], pleased to meet you<br>
> Thu 2005-05-12 08:37:12: <-- 250-ENHANCEDSTATUSCODES<br>
> Thu 2005-05-12 08:37:12: <-- 250-8BITMIME<br>
> Thu 2005-05-12 08:37:12: <-- 250-SIZE 12582912<br>
> Thu 2005-05-12 08:37:12: <-- 250-DSN<br>
> Thu 2005-05-12 08:37:12: <-- 250-ONEX<br>
> Thu 2005-05-12 08:37:12: <-- 250-ETRN<br>
> Thu 2005-05-12 08:37:12: <-- 250-XUSR<br>
> Thu 2005-05-12 08:37:12: <-- 250-AUTH PLAIN CRAM-MD5<br>
> Thu 2005-05-12 08:37:12: <-- 250 HELP<br>
> Thu 2005-05-12 08:37:12: --> MAIL From:<elsa@industrial.com><br>
SIZE=20770<br>
> Thu 2005-05-12 08:37:13: <-- 250 2.1.0 <elsa@industrial.com>...<br>
Sender ok<br>
> Thu 2005-05-12 08:37:13: --> RCPT To:<chriss@euro-pro.com><br>
> Thu 2005-05-12 08:37:13: <-- 550 5.7.1 <chriss@euro-pro.com>... Relaying<br>
denied. IP name lookup failed [221.4.134.194]<br>
> --- End Transcript ---<br>

pcbug

可以在mdaemon 中关闭 反响查询的功能

sandal

不是人家发给我的服务器, 而是从我的服务器发给对方, 收到这个错误退信.