Zix (OpenText) vs Virtru

Zix (OpenText)

Zix, now part of OpenText, is one of the longest-established email encryption platforms with a massive install base across healthcare, finance, and government. Zix provides policy-based encryption that automatically secures emails containing sensitive data, using TLS and a secure portal fallback. Its ZixDirectory enables direct encrypted delivery between Zix customers without portal friction. Zix signs BAAs and meets HIPAA, PCI DSS, and SOX requirements.

Pros
  • Largest install base. ZixDirectory reduces portal friction
  • Mature, proven platform with 20+ years in market
  • Strong regulatory compliance (HIPAA, PCI, SOX)
  • Policy engine automates encryption decisions
  • Enterprise-grade scalability
Considerations
  • Portal experience for non-Zix recipients
  • Interface feels less modern compared to newer competitors
  • OpenText acquisition creates product roadmap uncertainty
  • Pricing not publicly listed

Pricing: Custom enterprise pricing

Virtru

Virtru provides end-to-end encryption for email and files across Gmail, Outlook, and Google Workspace. Built on the Trusted Data Format (TDF) open standard, Virtru gives senders persistent control over encrypted messages. Including the ability to revoke access, set expiration dates, and disable forwarding after sending. Virtru signs BAAs for HIPAA compliance and offers granular audit logging of every access event.

Pros
  • Seamless Gmail and Outlook integration
  • Sender retains control after sending
  • Open standard (TDF) avoids vendor lock-in
  • Strong HIPAA and ITAR compliance posture
  • Easy deployment for end users
Considerations
  • Recipients must use Virtru reader or verify identity
  • Higher price than gateway-only solutions
  • Limited to Google and Microsoft ecosystems
  • No built-in email hosting

Pricing: See the vendor site for current pricing.