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Error Message : 451 4.2.1 Mailbox busy, try again later [****@****]

-- You SendMail --

>> Received: from LocalHost (192.222.111.254)
>> by sla.co.kr (192.222.111.222) with [Nmail V3.7  20061019(ST)]
>> for <****@****> from <****@****>;
>> Sat, 02 Aug 2008 09:16:19 +0900
>> Message-ID: <000d01c8f434$fe15afd0$****@****>
>> From: =?ks_c_5601-1987?B?waS1v8f2?= <****@****>
>> To: <****@****>
>> Subject: test
>> Date: Sat, 2 Aug 2008 09:16:21 +0900
>> MIME-Version: 1.0
>> Content-Type: multipart/alternative;
>> boundary="----=_NextPart_000_000A_01C8F480.6DB83880"
>> X-Priority: 3
>> X-MSMail-Priority: Normal
>> X-Mailer: Microsoft Outlook Express 6.***-****-****
>> X-MimeOLE: Produced By Microsoft MimeOLE V6.***-****-****
>>
>> This is a multi-part message in MIME format.
>>
>> ------=_NextPart_000_000A_01C8F480.6DB83880
>> Content-Type: text/plain;
>> charset="ks_c_5601-1987"
>> Content-Transfer-Encoding: base64
>>
>> dGVzdCBtYWlsIHNvcnJ5IQ==
>>
>> ------=_NextPart_000_000A_01C8F480.6DB83880
>> Content-Type: text/html;
>> charset="ks_c_5601-1987"
>> Content-Transfer-Encoding: base64
>>
>> PCFET0NUWVBFIEhUTUwgUFVCTElDICItLy9XM0MvL0RURCBIVE1MIDQuMCBUcmFuc2l0aW9uYWwv
>> L0VOIj4NCjxIVE1MPjxIRUFEPg0KPE1FVEEgaHR0cC1lcXVpdj1Db250ZW50LVR5cGUgY29udGVu
>> dD0idGV4dC9odG1sOyBjaGFyc2V0PWtzX2NfNTYwMS0xOTg3Ij4NCjxNRVRBIGNvbnRlbnQ9Ik1T
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>> ------=_NextPart_000_000A_01C8F480.6DB83880--
>>

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