sendmail无法发信， 550 user unknow

james5

真正的油箱地址被隐藏了，但是 在sina.com上确实存在test这个用户的邮箱。
并且可以正常收发信，
现在一个新的solaris上配置sendmail给sina.com发信
修改 /etc/mail/local-host-names增加 sina.com一行。
可是还是有如下的错误，提示test用户不存在。

From: Mail Delivery Subsystem <[email=MAILER-DAEMON@hostname.localdomain]MAILER-DAEMON@hostname.localdomain[/email]>
To: abcde@hostname.localdomain
MIME-Version: 1.0
Subject: Returned mail: see transcript for details
Auto-Submitted: auto-generated (failure)

This is a MIME-encapsulated message

--l9G5OVA4014837.1192512272/hostname.localdomain

The original message was received at Tue, 16 Oct 2007 01:24:31 -0400 (EDT)
from root@localhost

   ----- The following addresses had permanent fatal errors -----
test@sina.com
   (reason: 550 5.1.1 <test@sina.com>... User unknown)
    (expanded from: test@sina.com)

   ----- Transcript of session follows -----
... while talking to [127.0.0.1]:
>>> DATA
<<< 550 5.1.1 <test@sina.com>... User unknown
550 5.1.1 test@sina.com... User unknown
<<< 503 5.0.0 Need RCPT (recipient)

--l9G5OVA4014837.1192512272/hostname.localdomain
Content-Type: message/delivery-status

Reporting-MTA: dns; hostname.localdomain
Arrival-Date: Tue, 16 Oct 2007 01:24:31 -0400 (EDT)

Final-Recipient: RFC822; test@sina.com
Action: failed
Status: 5.1.1
Remote-MTA: DNS; [127.0.0.1]
Diagnostic-Code: SMTP; 550 5.1.1 <test@sina.com>... User unknown
Last-Attempt-Date: Tue, 16 Oct 2007 01:24:32 -0400 (EDT)

--l9G5OVA4014837.1192512272/hostname.localdomain
Content-Type: message/rfc822

Return-Path: <abcde>
Received: (from root@localhost)
        by hostname.localdomain (8.13.8+Sun/8.13.8/Submit) id l9G5OVA3014837
        for test@sina.com; Tue, 16 Oct 2007 01:24:31 -0400 (EDT)
Date: Tue, 16 Oct 2007 01:24:31 -0400 (EDT)
From: abcde
Message-Id: <200710160524.l9G5OVA3014837@hostname.localdomain>
To: test@sina.com
Subject: 13:27

baba


--l9G5OVA4014837.1192512272/hostname.localdomain--

刘五十三

晕死，你自己就当sina当然user unknown,local-host-name里面是本机拥有的域名，怎么能放sina.com进去

netfoxs

把sina.com搞成127.0.0.1了，肯定发不到了