津山高専における迷惑メールの独自対策とその効果

概要

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E-mail has become a necessary means of communication for various businesses and daily lives. In recent years, spame-mail has increased as e-mail has become more popular, and now, the spam is an object of public concern. Like a letteror a card, an e-mail should not be censored and restricted. Without blocking the spam, however, unmanageable spam orcomputer virus attached the spam may damage computers and their networks. In our college, blocking of the spam hasbeen implemented on our mail servers since 2004. We adopted not content-based but IP-based filtering to respect theprivacy of users. The blocking only needs functions of Postfix mail server program without optional software and/orhardware. And it can be configured, maintained, and monitored by our own hands. In this paper, after basic policies of the blocking and actual configurations of Postfix are explained, effects and problems are discussed.
津山工業高等専門学校の論文