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Beyond Encryption Mailock for Outlook is a commercial email encryption tool by Beyond Encryption. RPost RMail Email Encryption is a commercial email encryption tool by rmail. 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:
SMB and mid-market teams that need to stop encrypted emails from being forwarded or screenshotted after delivery should use Beyond Encryption Mailock for Outlook, since message revocation works even after recipients have opened attachments. The tool covers NIST PR.DS and PR.AA through AES-256 encryption and multi-factor recipient authentication, eliminating the "trust the recipient" problem that plagues standard TLS. Skip this if your org requires integration with Gmail or non-Microsoft clients; Mailock is Outlook-only and leaves users on other platforms without encryption protections.
Mid-market and enterprise compliance teams wrestling with email encryption that actually stays encrypted end-to-end should evaluate RPost RMail; its automatic per-recipient detection and AES 256-bit PDF delivery eliminate the friction that kills adoption on traditional PGP-based systems. HIPAA and GDPR compliance tracking is built in with registered receipt audit records, removing the manual logging burden. Skip this if your organization needs DLP or advanced threat detection layered into the email gateway; RMail encrypts what you send but doesn't inspect what's arriving for data exfiltration patterns.
Outlook add-in for end-to-end email encryption with recipient auth & revoke.
Email encryption service with automated delivery and compliance tracking
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Common questions about comparing Beyond Encryption Mailock for Outlook vs RPost RMail Email Encryption for your email encryption needs.
Beyond Encryption Mailock for Outlook: Outlook add-in for end-to-end email encryption with recipient auth & revoke. built by Beyond Encryption. headquartered in United Kingdom. Core capabilities include End-to-end AES-256 email and attachment encryption, Recipient authentication via SMS, Q&A, or Unipass ID, One-click secure email composition from the Outlook ribbon..
RPost RMail Email Encryption: Email encryption service with automated delivery and compliance tracking. built by rmail. headquartered in United States. Core capabilities include Automatic encryption method detection per recipient, Dynamic encryption with TLS and message-level fallback, AES 256-bit encrypted PDF message delivery..
Both serve the Email Encryption market but differ in approach, feature depth, and target audience.
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