turina Posted November 12, 2003 Share Posted November 12, 2003 MAPILab Ltd. pleased to announce the article "Microsoft Outlook 2003Spam Filter: Under the hood". This article describes in details howthe built-in Microsoft Outlook 2003 junk mail filter based on"state-of-the-art technology developed by Microsoft Research" works.This article point to critical holes of Microsoft technology and willvery useful to technical specialists and non-technical readers whointerested in spam protection technologies. Software developers willfind a couple of exercises we've prepared for them to check if theyhave learnt to detect junk mail with up-to-six-decimal-digitsaccuracy, as the filter does. Table of contents: Introduction General information about the filter OUTLFLTR.DAT file format Data file contents State-of-the-art technology Message sending time check Check of the message subject for words in uppercase Check of the sign number in the message subject Check of duplicate character number The rest eight checks Exercises for developers Under the hood Appendix A. OUTFLTR.DAT file dump Appendix B. Useful web linksFull version of the article is available in Internet here: http://www.mapilab.com/articles/outlook_sp...pam_filter.htmlReprint of this article with the reference to MAPILab is free. You mayuse any information from this article, quote this article, andreproduce it in any fragment or entirely, both for non-profit-makingpurpose and to derive benefit. MAPILab doesn't demand any pecuniaryrecompense for usage of this article. Link to comment Share on other sites More sharing options...
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