# Beyond Encryption Mailock for M365 vs Kiteworks Secure Email: side-by-side comparison (2026) [Beyond Encryption Mailock for M365](https://cybersectools.com/tools/beyond-encryption-mailock-for-m365) is a commercial [email encryption](https://cybersectools.com/categories/email-encryption) solution by [Beyond Encryption](https://cybersectools.com/companies/beyond-encryption). [Kiteworks Secure Email](https://cybersectools.com/tools/kiteworks-secure-email) is a commercial [email encryption](https://cybersectools.com/categories/email-encryption) solution by [Kiteworks](https://cybersectools.com/companies/kiteworks). Features, integrations, deployment and the company behind each one, side by side. ## Side-by-side comparison | | Beyond Encryption Mailock for M365 | Kiteworks Secure Email | |---|---|---| | Pricing model | Commercial | Commercial | | Category | Email Encryption | Email Encryption | | Verified | No | No | | Deployment type | Cloud | Hybrid | | Company size fit | SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise | | Company | Beyond Encryption | Kiteworks | | Headquarters | – | – | ### Use cases and capabilities | | Beyond Encryption Mailock for M365 | Kiteworks Secure Email | |---|---|---| | Encryption | Yes | Yes | | Microsoft 365 | Yes | – | | Outlook | Yes | – | | Microsoft | Yes | – | ### Core features **Beyond Encryption Mailock for M365** 10 features listed. Sign in on the page to see them. **Kiteworks Secure Email** 10 features listed. Sign in on the page to see them. ### Integrations **Beyond Encryption Mailock for M365** 5 integrations listed. Sign in on the page to see them. **Kiteworks Secure Email** 11 integrations listed. Sign in on the page to see them. ## Which one fits you Based on what each listing shows: deployment, company size, price and open source. - [Beyond Encryption Mailock for M365](https://cybersectools.com/tools/beyond-encryption-mailock-for-m365) fits if you want a cloud product. - [Kiteworks Secure Email](https://cybersectools.com/tools/kiteworks-secure-email) fits if you need both cloud and on-premises options. ## Beyond Encryption Mailock for M365 vs Kiteworks Secure Email FAQ Common questions when comparing Beyond Encryption Mailock for M365 vs Kiteworks Secure Email for email encryption. ### What is the difference between Beyond Encryption Mailock for M365 and Kiteworks Secure Email? **Beyond Encryption Mailock for M365**: AES-256 encrypted email add-on for M365 with auth & revocation. Built by Beyond Encryption. **Kiteworks Secure Email**: Secure email platform with encryption, DLP, and policy automation. Built by Kiteworks. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes Beyond Encryption Mailock for M365 and Kiteworks Secure Email? **Beyond Encryption Mailock for M365** is made by Beyond Encryption. **Kiteworks Secure Email** is made by Kiteworks. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is Beyond Encryption Mailock for M365 a good alternative to Kiteworks Secure Email? Often, yes. Beyond Encryption Mailock for M365 and Kiteworks Secure Email are both Email Encryption products, and both cover Encryption. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [Beyond Encryption Mailock for M365 vs Beyond Encryption Mailock for Outlook](https://cybersectools.com/compare/beyond-encryption-mailock-for-m365-vs-beyond-encryption-mailock-for-outlook) - [Beyond Encryption Mailock for M365 vs Beyond Encryption Mailock Enterprise](https://cybersectools.com/compare/beyond-encryption-mailock-enterprise-vs-beyond-encryption-mailock-for-m365) - [Beyond Encryption Mailock for M365 vs PRIM'X ZEDMAIL](https://cybersectools.com/compare/beyond-encryption-mailock-for-m365-vs-primx-zedmail) - [Kiteworks Secure Email vs Beyond Encryption Mailock for Outlook](https://cybersectools.com/compare/beyond-encryption-mailock-for-outlook-vs-kiteworks-secure-email) - [Kiteworks Secure Email vs Beyond Encryption Mailock Enterprise](https://cybersectools.com/compare/beyond-encryption-mailock-enterprise-vs-kiteworks-secure-email) - [Kiteworks Secure Email vs PRIM'X ZEDMAIL](https://cybersectools.com/compare/kiteworks-secure-email-vs-primx-zedmail) ## Alternatives to each - [See all Beyond Encryption Mailock for M365 alternatives](https://cybersectools.com/alternatives/beyond-encryption-mailock-for-m365) - [See all Kiteworks Secure Email alternatives](https://cybersectools.com/alternatives/kiteworks-secure-email) --- Source: https://cybersectools.com/compare/beyond-encryption-mailock-for-m365-vs-kiteworks-secure-email For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/beyond-encryption-mailock-for-m365.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on Beyond Encryption Mailock for M365 and Kiteworks Secure Email: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md