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Zix (OpenText)

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

ToolEmail SecurityCloud, Self-hosted

Pricing: Custom enterprise pricing

Reviewed by the Cyber Vendor Guide 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

Things to check

  • 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

Do you work at Zix (OpenText)? to confirm the details or send us a correction.

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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.

Spot an error, or do you represent Zix (OpenText)? Request a correction.

Key facts

Pricing
Custom enterprise pricing
Model
Per-user
Founded
1988
Cloud
Yes
Self-hosted
Yes
Visit website

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Where Zix (OpenText) appears

Guides

Shortlists

Certifications

HIPAA, SOC 2, PCI DSS