aix 433下用sendmail发邮件报错，请大侠们帮忙看看！！

wengxg

＃mail wengxg@test.com\r\n进程    root 48120     1   1 10:08:40  pts/0  0:00 send-mail -i -x wengxg@test.com \r\n#more /etc/hosts\r\n192.168.5.10    test.com\r\n#ping test.com  也是正常的\r\n\r\n返回系统的出错信息：\r\nFrom MAILER-DAEMON Wed Jun 21 17:17:29 2006\r\nDate: Wed, 21 Jun 2006 17:17:29 +0800\r\nFrom: Mail Delivery Subsystem <MAILER-DAEMON>\r\nTo: wengxg\r\nMIME-Version: 1.0\r\nContent-Type: multipart/report; report-type=delivery-status;\r\n        boundary=\"RAA30290.1150881449/edib\"\r\nSubject: Returned mail: Cannot send message within 5 days\r\nAuto-Submitted: auto-generated (failure)\r\n\r\nThis is a MIME-encapsulated message\r\n\r\n--RAA30290.1150881449/edib\r\n\r\nThe original message was received at Fri, 16 Jun 2006 16:58:23 +0800\r\nfrom root@localhost\r\n\r\n   ----- The following addresses had permanent fatal errors -----\r\nwengxg@test.com\r\n\r\n   ----- Transcript of session follows -----\r\nwengxg@test.com... Deferred: Name server: test.com.: host name lookup failureMessage could not be delivered for 5 days\r\nMessage will be deleted from queue\r\n\r\n--RAA30290.1150881449/edib\r\nContent-Type: message/delivery-status\r\n\r\nReporting-MTA: dns; edib\r\nArrival-Date: Fri, 16 Jun 2006 16:58:23 +0800\r\n\r\nFinal-Recipient: RFC822; wengxg@test.com\r\nAction: failed\r\nStatus: 4.4.7\r\nRemote-MTA: DNS; test.com\r\nLast-Attempt-Date: Wed, 21 Jun 2006 17:17:29 +0800\r\n\r\n--RAA30290.1150881449/edib\r\nContent-Type: message/rfc822\r\n\r\nReturn-Path: <wengxg>\r\nReceived: (from root@localhost)\r\n        by edib.com (AIX4.3/8.9.3/8.9.3) id QAA43296\r\n        for wengxg@test.com; Fri, 16 Jun 2006 16:58:23 +0800\r\nDate: Fri, 16 Jun 2006 16:58:23 +0800\r\nFrom: wengxg\r\nMessage-Id: <200606160858.QAA43296@edib.com>\r\nTo: wengxg@test.com\r\n\r\naldskjfa\r\n\r\n--RAA30290.1150881449/edib--\n\n[ 本帖最后由 wengxg 于 2006-7-4 10:21 编辑 ]