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Beyond Encryption Mailock for Outlook is a commercial email encryption tool by Beyond Encryption. Trustifi Outbound Shield is a commercial email encryption tool by TrustiFi. 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 teams handling regulated data will find Trustifi Outbound Shield's appeal in its automated encryption policies paired with real-time DLP scanning, cutting implementation friction that typically derails compliance projects. The tool covers 10+ regulatory frameworks out of the box and supports both Exchange on-premise and Office 365, meaning you're not forced into cloud-only architecture. Skip this if your organization needs endpoint detection or network monitoring; Trustifi stays in the email lane and makes no apologies for it.
Outlook add-in for end-to-end email encryption with recipient auth & revoke.
Outbound email security with automated encryption and DLP for compliance
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Common questions about comparing Beyond Encryption Mailock for Outlook vs Trustifi Outbound Shield 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..
Trustifi Outbound Shield: Outbound email security with automated encryption and DLP for compliance. built by TrustiFi. headquartered in United States. Core capabilities include Automated email encryption based on administrator policies, AES 256-bit end-to-end encryption, Real-time data loss prevention scanning..
Both serve the Email Encryption market but differ in approach, feature depth, and target audience.
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