aix 433下用sendmail发邮件报错，请大侠们帮忙看看！！

wengxg

＃mail wengxg@test.com
进程    root 48120     1   1 10:08:40  pts/0  0:00 send-mail -i -x wengxg@test.com
#more /etc/hosts
192.168.5.10    test.com
#ping test.com  也是正常的

返回系统的出错信息：
From MAILER-DAEMON Wed Jun 21 17:17:29 2006
Date: Wed, 21 Jun 2006 17:17:29 +0800
From: Mail Delivery Subsystem <MAILER-DAEMON>
To: wengxg
MIME-Version: 1.0
Content-Type: multipart/report; report-type=delivery-status;
        boundary="RAA30290.1150881449/edib"
Subject: Returned mail: Cannot send message within 5 days
Auto-Submitted: auto-generated (failure)

This is a MIME-encapsulated message

--RAA30290.1150881449/edib

The original message was received at Fri, 16 Jun 2006 16:58:23 +0800
from root@localhost

   ----- The following addresses had permanent fatal errors -----
wengxg@test.com

   ----- Transcript of session follows -----
wengxg@test.com... Deferred: Name server: test.com.: host name lookup failureMessage could not be delivered for 5 days
Message will be deleted from queue

--RAA30290.1150881449/edib
Content-Type: message/delivery-status

Reporting-MTA: dns; edib
Arrival-Date: Fri, 16 Jun 2006 16:58:23 +0800

Final-Recipient: RFC822; wengxg@test.com
Action: failed
Status: 4.4.7
Remote-MTA: DNS; test.com
Last-Attempt-Date: Wed, 21 Jun 2006 17:17:29 +0800

--RAA30290.1150881449/edib
Content-Type: message/rfc822

Return-Path: <wengxg>
Received: (from root@localhost)
        by edib.com (AIX4.3/8.9.3/8.9.3) id QAA43296
        for wengxg@test.com; Fri, 16 Jun 2006 16:58:23 +0800
Date: Fri, 16 Jun 2006 16:58:23 +0800
From: wengxg
Message-Id: <200606160858.QAA43296@edib.com>
To: wengxg@test.com

aldskjfa

--RAA30290.1150881449/edib--

[ 本帖最后由 wengxg 于 2006-7-4 10:21 编辑 ]