NAME¶

Mail::SpamAssassin::FuzzyHash - Fuzzy-hash similarity detection for SpamAssassin

DESCRIPTION¶

This is the root namespace for fuzzy-hash algorithms used by SpamAssassin to detect near-duplicate spam messages.

AVAILABLE MODULES¶

Mail::SpamAssassin::FuzzyHash::ZOrder

MinHash-based fuzzy similarity using exactly 4 DNS TXT lookups. Detects texts with approximately 90% token overlap efficiently.

Mail::SpamAssassin::FuzzyHash::Util

Shared utility functions used by fuzzy-hash implementations: normalize_tokens() and hamming_distance().