Spam Filter Based On Geographical Location Of The Sender
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Spam annoys users and poses a security threat. This article proposes a spam filter based on geographical location of the sender determined by IP geolocation. This filter was implemented as a plugin to the SpamAssassin anti-spam software. The plugin allows to define a penalty score for specific countries sending spam. The proposed filter was tested on a dataset of 1500 e-mails consisting of 1200 spam and 300 legitimate e-mails. The Matthews Correlation Coefficient (MCC) of the filter has a value of 0.2223. This indicates that the proposed spam filter contributes to the correct spam filtering.
Document typePeer reviewed
Document versionFinal PDF
SourceJournal of Electrical Engineering. 2022, vol. 73, issue 4, p. 292-298.
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