Zix (OpenText)

Enterprise email encryption with the larger install base and policy-based automation

ToolEmail EncryptionCloudSelf-hosted

Pricing: Custom enterprise pricing

Reviewed by the CyberSecTool editorial team against the public sources cited below · Last reviewed February 2026 · How we review listings

What is 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.

Best for: Large enterprises in healthcare and finance needing proven, policy-based email encryption at scale with deep compliance support
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

Reported in public reviews and vendor documentation. See sources below.

Key Features

→Policy-based automatic email encryption
→ZixDirectory for frictionless delivery between Zix customers
→TLS encryption with secure portal fallback
→DLP scanning and content filtering
→HIPAA, PCI DSS, and SOX compliance
→Email archiving and retention
→Microsoft 365 and on-premise Exchange support
→Centralized admin console

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Sources & references

Where the information on this listing comes from. Always verify pricing and capabilities against the vendor before a purchasing decision.

Zix (OpenText) — official websitePrimary source
Zix is now OpenText Cybersecurity (official legacy landing page)
Official site (OpenText)
Zix Corp / OpenText acquisition
Wikipedia
Zix Adds to Excellence in Accreditation with ISO 27001 Certification (notes PCI DSS 3.2, SOC2/SOC3)
Business Wire

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Quick Info
PricingCustom enterprise pricing
ModelPer-user
Founded1988
CloudYes
Self-HostedYes
Visit Website →

Last updated: Feb 25, 2026

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Certifications
HIPAASOC 2PCI DSS