Las Vegas, Nevada
Quantum Logic Systems, LLC is a software-as-a-service company delivering enterprise-grade email security through OpenEFA — our flagship AI-powered email filtering platform.
We're a Las Vegas-based software company focused on one mission: making enterprise email security accessible to businesses of all sizes.
As the creators and maintainers of OpenEFA, we combine cutting-edge AI technology with practical, affordable solutions. Our platform protects organizations from phishing, spam, malware, and business email compromise (BEC) attacks.
Whether you need a fully managed cloud solution, an on-premise appliance for compliance, or ongoing support and maintenance — we deliver.
F1 Accuracy
Live Support
Processing
Emergency
OpenEFA — Intelligent Email Security, Redefined
Fully managed, cloud-hosted email security. Deploy in minutes by pointing your MX records to our infrastructure. No hardware, no maintenance.
Physical or virtual appliances deployed at your location. Ideal for organizations with data residency or compliance requirements.
License the OpenEFA software for your own infrastructure. Self-managed deployments with access to our support and update services.
We stand behind our products with comprehensive support options
Multiple support tiers to match your needs — from basic email support to dedicated account management with priority response times.
Keep your OpenEFA deployment current with ongoing updates, security patches, and AI model improvements.
Join businesses worldwide who trust OpenEFA for their email security.
Have questions about OpenEFA, need a custom quote, or want to discuss your email security needs? We're here to help.
Existing customers: View support options
24/7 emergency support available for contract customers