Loading...
Paubox Email Encryption is a commercial email encryption tool by paubox. Retarus Enterprise Cloud Fax is a commercial email encryption tool by Retarus. Compare features, ratings, integrations, and community reviews side by side to find the best email encryption fit for your security stack.
CST VerdictBased on our analysis of NIST CSF 2.0 coverage, core features, integrations, company size fit, here is our conclusion:
Healthcare IT teams and compliance officers at startups through mid-market will find Paubox Email Encryption the fastest path to HIPAA-compliant email without retraining users; encryption happens automatically on every outbound message, no portal logins or passcodes required. HITRUST certification and included BAA eliminate the vendor assessment friction that typically stalls healthcare deals, while native Google Workspace and Microsoft 365 integration means deployment takes weeks, not months. Skip this if your organization needs data loss prevention rules, advanced threat detection, or multi-channel encryption beyond email; Paubox does one thing and handles the compliance burden so you don't have to.
Enterprise and mid-market security teams handling regulated document workflows (healthcare, financial services, legal) should use Retarus Enterprise Cloud Fax because it eliminates the compliance burden of managing on-premises fax infrastructure while maintaining audit trails for HIPAA, FERPA, and GDPR requirements. HITRUST e1 certification plus six geographically distributed data centers with redundancy means you're not gambling on a single vendor's infrastructure resilience, and the SAP and EHR integrations handle legacy systems without requiring expensive rewrites. Skip this if your organization needs modern API-first workflows as the primary interface; Retarus excels at retrofitting secure fax into existing enterprise stacks, not rearchitecting them.
HIPAA-compliant email encryption for Google Workspace and Microsoft 365
Cloud-based enterprise fax service for secure document transmission
Access NIST CSF 2.0 data from thousands of security products via MCP to assess your stack coverage.
Access via MCPNo reviews yet
No reviews yet
Explore more tools in this category or create a security stack with your selections.
Common questions about comparing Paubox Email Encryption vs Retarus Enterprise Cloud Fax for your email encryption needs.
Paubox Email Encryption: HIPAA-compliant email encryption for Google Workspace and Microsoft 365. built by paubox. headquartered in United States. Core capabilities include Automatic encryption of every outbound email by default, 128-bit or 256-bit AES encryption, Transport Layer Security (TLS) 1.2 or higher for message delivery..
Retarus Enterprise Cloud Fax: Cloud-based enterprise fax service for secure document transmission. built by Retarus. headquartered in Germany. Core capabilities include Email-to-fax transmission, API integration for fax operations, HITRUST e1 certified backend infrastructure..
Both serve the Email Encryption market but differ in approach, feature depth, and target audience.
Get strategic cybersecurity insights in your inbox
