Description:

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