Marsono, Muhammad Nadzir and El-Kharashi, Mohamed Watheq and Gebal, Fayez (2009) A spam rejection scheme during SMTP sessions based on layer-3 e-mail classification. Journal of Network and Computer Applications, 32 (1). pp. 236-257. ISSN 10848045
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Official URL: http://dx.doi.org/10.1016/j.jnca.2008.03.005
This paper proposes a scheme that rejects spam e-mails during their simple mail transfer protocol (SMTP) sessions. This scheme utilizes a layer-3 e-mail classification technique, which allows e-mail classes to be estimated before the end of SMTP sessions at receiving e-mail servers. We analyze the proposed scheme using discrete-time Markov chain analysis under varying e-mail traffic loads and service capacities. This paper also considers the effects of e-mail retransmission and illegal spam relaying by zombie systems on the performance of the proposed scheme. Results from our analysis show that e-mail server loading decreases by using the proposed technique. This allows the reduction in non-spam e-mail queuing delays and loss probability. Our scheme also protects e-mail servers from being overloaded by spam traffic and, if performed collectively over the Internet, it is capable of performing outbound spam control.
|Uncontrolled Keywords:||layer-3 spam detection, Markov chain analysis, SMTP rejection, spam control|
|Subjects:||T Technology > TK Electrical engineering. Electronics Nuclear engineering|
|Deposited By:||Ms Zalinda Shuratman|
|Deposited On:||04 Jul 2011 01:28|
|Last Modified:||04 Jul 2011 01:28|
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