이메일 클라이언트와 연동한 스팸메일 차단 시스템 구현

An Implementation of Spam E-mail Filtering System based on E-Mail Client

E-mail, one of the oldest services in internet becomes very important and essential way to communicate with development of internet. E-mail has been used as from personal matter to important business purpose. E-mail has a better speed than letter to get to many people and a specific character such as anonym. somebody starts using these properites anonym, speed, low cost for delivery, and sending to many people of E-mail for badthings. As a result spam E-mail such as commercial advertising mail which user dasen't want to get, lewd mail and mail which has been sent indiscreetly has been arising very quickly. therefore it becomes the latest problem to keep off a Spam-mail and commercial advertising E-mail, many ways to keep off were purposed for it. In this paper, I explained how to sort and keep off these Spam-mail and commercial advertising E-maiI with three way, prevention by server level, prevention by construction of network level, prevention by client level. we designed a prevention system for Spam E-mail and implemented it by Visual Basic.