10 November 2003
Microsoft® Outlook® 2003 Spam Filter: Under the hood
MAPILab Ltd. pleased to announce the article “Microsoft® Outlook® 2003 Spam Filter: Under the hood”. This article describes in details how the 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 will very useful to technical specialists and non-technical readers who interested in spam protection technologies. Software developers will find a couple of exercises we've prepared for them to check if they have learnt to detect junk mail with up-to-six-decimal-digits accuracy, as the filter does.
Table of contents:
- 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 links
Full version of the article is available in Internet here:
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