Side effects of SPAM messages over web spine and block activity

E-mail usage, together with the continuous development and usage of Internet Technologies, has became one of the most important components of the communication area. In a very short period of time, it is unavoidable to be focussed. E-mail communication which became most populer to be reached to the millions of people has became unavoidable and attracted the attention of the the trade, SPAM, attack and virus activities. SPAM e-mails which are the major part of the e-mail traffic considerably employs the users and the Internet traffic at the same time.In this thesis, it is dealth with primarily the negative effects of the SPAM and e-mail messages and studies of block of e-mail and SPAM mail sending techniques are also deeply considered. The techniques blocking the SPAM messages and the results arising from the usage of applications in the e-mail server are explained and evaluated in a very detailed way.The technical applications, configurations, results and the suggestions of the solutions used in this thesis will show the way to block the SPAM mail messages.