
spamassassin
Open-source email filtering framework that detects spam and phishing using content analysis, header checks, Bayesian scoring, and DNS blocklists.
defensive-toolsemail-securitymachine-learning+1
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Open-source email filtering framework that detects spam and phishing using content analysis, header checks, Bayesian scoring, and DNS blocklists.

ML-based detection of Zombie ZIP archive header evasion attacks (CVE-2026-0866)