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Beyond Encryption Mailock Automated is a commercial email encryption tool by Beyond Encryption. 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.
Based on our analysis of NIST CSF 2.0 coverage, core features, integrations, company size fit, here is our conclusion:
Mid-market and enterprise security teams handling high-volume regulated communications will benefit most from Mailock Automated because it encrypts and delivers sensitive emails at scale without forcing recipients through portal logins or registration friction. The tool supports ICO and FCA compliance requirements out of the box and requires zero recipient setup, which materially reduces support overhead and delivery failures in organizations managing thousands of encrypted messages monthly. Skip this if your primary need is inbound email filtering or threat detection; Mailock is encryption-and-delivery focused, not a full email security platform.
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.
Automated bulk secure email encryption & delivery for enterprise orgs.
Cloud-based enterprise fax service for secure document transmission
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Common questions about comparing Beyond Encryption Mailock Automated vs Retarus Enterprise Cloud Fax for your email encryption needs.
Beyond Encryption Mailock Automated: Automated bulk secure email encryption & delivery for enterprise orgs. built by Beyond Encryption. headquartered in United Kingdom. Core capabilities include Automated batch email encryption and delivery via rules, headers, or keywords, Recipient identity verification via Q&A, SMS, or Unipass authentication challenges, Secure reply capability for recipients without portal registration or login..
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.
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