帮我看一下退信，怎么解决是什么原因？现在不能发信也不能收？

yileiyi

无法将您的邮件投递至以下指定地址: <br>
yijiang4@163.com : 455 Error, Fail to Send E-Mail <br>
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----- Original message follows. <br>
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Received: Mon, 31 Oct 2005 14:59:36 +0800 <br>
From: jiangyi@qbjjyw.net.cn <jiangyi@qbjjyw.net.cn> <br>
To: yijiang4@163.com <br>
Subject: z <br>
Date: Mon, 31 Oct 2005 14:59:36 +0800 <br>
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Content-Transfer-Encoding: quoted-printable <br>
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