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Beyond Encryption Mailock Enterprise is a commercial email encryption tool by Beyond Encryption. PreVeil is a free email encryption tool by PreVeil. 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:
Mid-market and enterprise security teams handling regulated data across Microsoft 365 and Google Workspace need Mailock Enterprise because its trigger-word detection and rule-based automation remove the human decision from when to encrypt,the actual failure point in most email security programs. The platform covers NIST PR.DS (data confidentiality via AES-256) and PR.AA (recipient authentication across SMS, Q&A, and Unipass ID) without requiring users to remember to act. Skip this if your organization has under 500 seats or needs DLP beyond keyword matching; Mailock solves encryption governance, not content discovery.
Small teams and individual contributors who need encrypted email without deployment friction should use PreVeil Express; the browser-based client requires zero IT overhead and the free tier removes budget as an objection. The desktop version supports passwordless login and unlimited file uploads, which matters if you're moving sensitive files regularly. Skip this if your organization needs centralized key management, audit logging, or admin controls; PreVeil prioritizes user privacy over institutional governance, which is the opposite of what compliance-heavy enterprises need.
Enterprise secure email gateway with AES-256 encryption & recipient auth.
Free E2E encrypted email & file sharing for browser and desktop.
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Common questions about comparing Beyond Encryption Mailock Enterprise vs PreVeil for your email encryption needs.
Beyond Encryption Mailock Enterprise: Enterprise secure email gateway with AES-256 encryption & recipient auth. built by Beyond Encryption. headquartered in United Kingdom. Core capabilities include AES-256 end-to-end email and attachment encryption, Recipient identity authentication challenges (SMS, Q&A, email verification, Unipass ID), Trigger-word detection to prompt secure sending..
PreVeil: Free E2E encrypted email & file sharing for browser and desktop. built by PreVeil. headquartered in United States. Core capabilities include End-to-end encrypted email messaging, Encrypted file sharing, Secure cloud drive sync and storage..
Both serve the Email Encryption market but differ in approach, feature depth, and target audience.
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