Proton Mail Business vs LuxSci
Proton Mail Business
Proton Mail Business provides zero-access end-to-end encrypted email hosted in Switzerland under some of the world's strongest privacy laws. Messages are encrypted on-device before reaching Proton's servers, meaning even Proton cannot read your email. For HIPAA-covered entities, Proton signs BAAs on its Business and Enterprise plans. The platform includes a full suite of privacy tools including Proton Calendar, Drive, and VPN.
Pros
- Strongest privacy protections — zero-access encryption
- Swiss jurisdiction beyond US and EU reach
- Open source and independently audited
- Affordable per-user pricing
- Complete privacy suite (mail, calendar, drive, VPN)
Cons
- Non-Proton recipients see messages via secure portal
- Fewer enterprise admin features than competitors
- Migration from existing email providers can be complex
- Limited third-party integrations
Pricing: From $8.99/user/month
LuxSci
LuxSci provides HIPAA-compliant email hosting and encryption as a combined service, eliminating the need for separate email and encryption vendors. It offers multiple encryption methods — TLS, portal pickup, PGP, and S/MIME — with policy-based automation that selects the right method per message. LuxSci signs BAAs and provides dedicated infrastructure for healthcare organizations that need both email hosting and encryption under one HIPAA-compliant umbrella.
Pros
- Single vendor for email hosting + encryption
- Flexible encryption methods per recipient
- Dedicated infrastructure avoids shared-tenant risks
- Affordable for small and mid-size practices
- Strong API for automated workflows
Cons
- Smaller company with less brand recognition
- Interface less polished than larger competitors
- Limited ecosystem integrations beyond email
- Portal experience for non-TLS recipients
Pricing: From $10/user/month