发到国外不认域名？急，求助！

essex

小弟公司的md发到一些国外的邮箱失败。如下：<br>
Mon 2004-12-27 16:23:47: ----------<br>
Mon 2004-12-27 16:30:31: Session 2184; child 2<br>
Mon 2004-12-27 16:30:28: Parsing Message <e:\mdaemon\remoteq\pd50000000088.msg><br>
Mon 2004-12-27 16:30:28: From: jason@tds.com.cn<br>
Mon 2004-12-27 16:30:28: To: bbrown@omnidesignsinternational.com<br>
Mon 2004-12-27 16:30:28: Subject: Re: The picture of Tweezers&Pliers holder<br>
Mon 2004-12-27 16:30:28: Message-ID: <br>
Mon 2004-12-27 16:30:28: Route slip host: omnidesignsinternational.com<br>
Mon 2004-12-27 16:30:28: Route slip port: 25<br>
Mon 2004-12-27 16:30:28: [omnidesignsinternational.com]的 MX-record 解析已在进行(DNS 服务: 202.115.1.1)...<br>
Mon 2004-12-27 16:30:28: P=000 D=omnidesignsinternational.com TTL=(145) MX=[omnidesignsinternational.com] {209.50.253.40}<br>
Mon 2004-12-27 16:30:28: Attempting MX: P=000 D=omnidesignsinternational.com TTL=(145) MX=[omnidesignsinternational.com] <br>
<br>
{209.50.253.40}<br>
Mon 2004-12-27 16:30:28: 正在试图 SMTP 连接到 [209.50.253.40 : 25]<br>
Mon 2004-12-27 16:30:28: 等候 socket 连接...<br>
Mon 2004-12-27 16:30:28: Socket 连接建立(202.115.22.174 : 2957 -> 209.50.253.40 : 25)<br>
Mon 2004-12-27 16:30:28: 等候协议初始化...<br>
Mon 2004-12-27 16:30:29: <-- 220-srv.tiptophosting.com ESMTP Exim 4.43 #1 Mon, 27 Dec 2004 03:30:44 -0500 <br>
Mon 2004-12-27 16:30:29: <-- 220-We do not authorize the use of this system to transport unsolicited, <br>
Mon 2004-12-27 16:30:29: <-- 220 and/or bulk e-mail.<br>
Mon 2004-12-27 16:30:29: --> EHLO tds.com.cn<br>
Mon 2004-12-27 16:30:29: <-- 250-srv.tiptophosting.com Hello tds.com.cn [202.115.22.174]<br>
Mon 2004-12-27 16:30:29: <-- 250-SIZE 52428800<br>
Mon 2004-12-27 16:30:29: <-- 250-PIPELINING<br>
Mon 2004-12-27 16:30:29: <-- 250-AUTH PLAIN LOGIN<br>
Mon 2004-12-27 16:30:29: <-- 250-STARTTLS<br>
Mon 2004-12-27 16:30:29: <-- 250 HELP<br>
Mon 2004-12-27 16:30:29: --> MAIL From:<jason@tds.com.cn> SIZE=1253404<br>
Mon 2004-12-27 16:30:30: <-- 250 OK<br>
Mon 2004-12-27 16:30:30: --> RCPT To:<bbrown@omnidesignsinternational.com><br>
Mon 2004-12-27 16:30:31: <-- 550-Verification failed for <jason@tds.com.cn><br>
Mon 2004-12-27 16:30:31: <-- 550-unrouteable mail domain "tds.com.cn"<br>
Mon 2004-12-27 16:30:31: <-- 550 Sender verify failed<br>
Mon 2004-12-27 16:30:31: --> QUIT<br>
Mon 2004-12-27 16:30:31: SMTP 连接异常终止(字节入/出: 460/123)<br>
Mon 2004-12-27 16:30:31: ----------<br>
<br>
<br>
我在google上搜索，好像有人说是国外的dns解析需要时间。<br>
但是我的这个域名用了很长时间了。不过最近才转换了一次ip。<br>
请高人指教！

essex

呜呜呜，都没有一个大侠可以指教吗？小弟要死了啊！