AI-enhanced filtering. Real-time threat detection. Zero vendor lock-in.
Get StartedRead our mission statement on how OpenEFA is redefining email security for a new era. Learn why organizations, MSPs, and the global community are partnering with us to combat spam, phishing, and modern attacks.
Combines signature-based filtering with natural language processing (NLP) for smarter analysis and context-aware decision-making.
OpenEFA includes a custom-built SpaCy server to analyze intent, sentiment, and embedded risk before email hits your inbox.
Scalable for MSPs and IT teams, with support for managed deployments, remote monitoring, and full quarantine controls.
Coming soon: Fully managed OpenEFA cloud instances and pre-configured appliances you can deploy on your own servers.
Join our community forum to discuss email security, share configurations, get support, and connect with other OpenEFA users.
Need guaranteed SLAs, priority patches, or 24/7 support? We offer flexible support tiers from Basic to Premium Enterprise.
View Support OptionsReal-world statistics from our production OpenEFA deployment
Updated November 13, 2025
30-Day Analysis: Oct 18 - Nov 13, 2025 Production Performance
What These Numbers Mean:
OpenEFA achieves industry-leading accuracy while processing real email traffic for law firms, healthcare providers, and technology companies. Our 97.23% F1 Score and 98% precision rate matches or exceeds commercial enterprise solutions (Barracuda, Mimecast, Proofpoint) at a fraction of the cost. Over 15,000+ emails analyzed across 26 days in production with consistent high performance.
View Detailed Performance ReportEnterprise-grade email security without the enterprise price tag.
Dashboard loads in 24-30ms. Quarantine queries in 26-32ms. Redis caching, HTTP compression (60-80% bandwidth savings), and optimized database indexing deliver speed commercial systems can't match.
Machine learning that adapts to YOUR feedback in real-time. Mark an email as spam or ham, and the system immediately learns from your decision to improve future filtering.
Search by message ID, date range, sender, subject, or any field. Release, delete, or train the system on quarantined emails with a single click. Your data, your rules.
OpenSpacy-branded SMS alerts keep you informed of critical email events. Know when important messages are quarantined so you can take action immediately.
See exactly why every email scored the way it did. Per-module headers show SPF, DKIM, DMARC results, spam scores, and AI analysis. No black boxes.
Per-domain scoring, SPF/DKIM/DMARC validation, phishing detection, and AI-powered threat analysis. Real protection that actually works.
Commercial email security systems charge thousands per month and lock you into their ecosystem. OpenEFA is completely free, fully transparent, and runs on your infrastructure. No per-user licensing. No vendor lock-in. No surprise price increases. Just powerful email protection you control.
Prefer managed hosting? Fully hosted OpenEFA solutions are available from one of our partners. Contact us to learn more.
Interested in a demo, beta testing, or hosted deployment? Let us know below.