请高手指点，很奇怪的！

bacally

无法将您的邮件投递至以下指定地址:
leo@wellhrbpo.com? : DNS lookup failed.

----- Original message follows.
Received: from 125.115.91.15 (HELO BACALLY); Mon, 23 Feb 2009 13:46:44 +0800
From: [email==tf-8?B?5ZCV5Lqa?=bacally@wellhrbpo.com]=tf-8?B?5ZCV5Lqa?=bacally@wellhrbpo.com[/email]>
To: [email==tf-8?Q?leo@wellhrbpo.com]=tf-8?Q?leo@wellhrbpo.com[/email]聽[email=?=leo@wellhrbpo.com]?=leo@wellhrbpo.com[/email]?>
Subject: test!!
Date: Mon, 23 Feb 2009 13:43:33 +0800
MIME-Version: 1.0
Content-Type: multipart/alternative;
boundary=---=extPart_000_0036_01C995BC.B8795740"
X-Mailer: Microsoft Office Outlook, Build 11.0.5510
Thread-Index: AcmVeanamHzBolc0SKW6kthLS1md3g=
X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5579

无法发送这个邮箱，内部的，其他内部邮箱测试没有问题，所以很奇怪，请高手指点！！！！！

zyjc95

域名解析失败，在服务器上看能否正常解析该域名及该域名的MX信息

humbass

顶楼上