Enterprise-Grade Email Security Engineered for Modern Linux
EFA-NG unifies Postfix, MailScanner 5, ClamAV 1.4+, SpamAssassin 4.0+, and MailWatch-NG into an automated, self-defending security gateway.
Core Security Stack & Architecture
Comprehensive multi-layered protection for enterprise and ISP mail infrastructures.
Hardened Postfix MTA
High-throughput Mail Transfer Agent with native TLS, SASL authentication, rate-limiting, and milter integration.
MailScanner 5 Engine
Multi-threaded parallel scanning pipeline coordinating antispam, antivirus, and phishing heuristic engines.
ClamAV 1.4+ with Streaming Sigs
Next-gen signature streaming, Foxhole, SaneSecurity, and malware heuristics for comprehensive payload inspection.
SpamAssassin 4.0+ & RBLs
Advanced Bayesian analysis combined with Pyzor, Razor2, DCC, and low-latency Unbound DNSBL lookups.
MailWatch-NG Web Console
Modernized web management on PHP 8.3 with live quarantine release tokens, audit logs, and message telemetry.
DKIM, DMARC & Fail2ban
Cryptographic identity verification with OpenDKIM, OpenDMARC spoof prevention, and automated Fail2ban brute-force protection.
Community & Support
Ask questions, share configurations, and get help from the EFA-NG community on Telegram and Flarum.
💬 Official Support Channels & Resources / Офіційна підтримка EFA-NG
🚀 EFA-NG 6.0.5 Released!
🚀 EFA-NG 6.0.4 Released!
🚀 EFA-NG 6.0.3 Released!
🚀 EFA-NG 6.0.2 Released!
Acknowledgements & Upstream Project
EFA-NG is directly based upon and modernized from the remarkable eFa Project (efa-project.org). We sincerely thank the original eFa Development Team and contributors for creating and nurturing the email filter appliance architecture for over a decade.