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Features
jASEN combines several email scanning and interrogation techniques to weed out spam:
- Bayesian-style* analysis
- Mail header analysis
- HTML concealment (white noise) detection
- Heuristic pattern analysis
- Realtime Blackhole List support
- Mail "bug" detection
- Keyword matching
- Linguistic (real word) analysis
- Image dominance detection
- Character and word obfuscation detection
- Malicious attachment detection
- Configurable auto-update engine
In addition, jASEN provides an extensible plugin framework for the inclusion of extra
scanning and filtering mechanisms such as SPF
*Actually uses a chi square distribution algorithm
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