邮件投递超时错误

下面是提示，可以发邮件，就是收不到，用163发都发不到下面的邮箱中。是在outlook里面配置的
无法将您的邮件投递至以下指定地址:
dingjianyong@sz-skl.cn : 552 mail size or count over quota.

----- Original message follows.

Received: from [121.227.181.227]; Tue, 20 May 2008 08:36:34 +0800
Message-ID: <002501c8ba11$9de8f700$6800a8c0@CCDFA7114A31413>
From: =b2312?B?0KHQ7A==xumeile@sz-skl.cn>
To: =b2312?B?tqE= <dingjianyong@sz-skl.cn>
Subject: fff
Date: Tue, 20 May 2008 08:36:59 +0800
MIME-Version: 1.0
Content-Type: multipart/alternative;
boundary=---=extPart_000_0022_01C8BA54.ABA0F210"
X-Priority: 3
X-MSMail-Priority: Normal
X-Mailer: Microsoft Outlook Express 6.00.2900.2869
X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2962

This is a multi-part message in MIME format.

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Content-Type: text/plain;
charset=b2312"
Content-Transfer-Encoding: base64