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- FuzzyOcr is a plugin for SpamAssassin which is aimed at unsolicited bulk
- mail (also known as "Spam") containing images as the main content
- carrier. Using different methods, it analyzes the content and properties
- of images to distinguish between normal mails (Ham) and spam mails. The
- methods mainly are:
- * Optical Character Recognition using different engines and settings
- * Fuzzy word matching algorithm applied to OCR results
- * Image hashing system to learn unique properties of known spam images
- * Dimension, size and integrity checking of images
- * Content-Type verification for the containing email
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