• The KIPS Transactions:PartC
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• v.12C no.1 s.97
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• pp.137-146
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• 2005

The email using internet is situated by means of basic communication method that ordinardy people use. Thereby damage scale of the spam mail becomes wider. The many blocking methods of the spam mail are proposed and archived. Hut they are insufficient to block various types of spam mail The blocking method of spam mail proposed by this paper is consisted of 3 steps (collection, frequency analysis and blocking). It can effectively block various types of spam mail using collected spam mail and various forms of spam mail that changes.