Mailock® for Microsoft 365
Protect sensitive email data in Microsoft 365
Add security and control to M365 email
Mailock works alongside Microsoft 365 to secure email data, verify recipients, and support compliance. Use our Outlook add-in and secure email gateway to protect communications at every scale.
Secure email tightly
integrated with M365
Whether you're sending emails via Outlook or automating large volumes via Exchange Online, Mailock protects your messages and empowers recipients to reply securely.
- Outlook add-in for desktop users
- Secure email gateway for scaled delivery
1. Receive
Recipients get a secure message notification in their inbox.
2. Identify
Access is verified using authentication challenges like SMS, Q&A, or Unipass ID.
3. Reply
Recipients read and reply securely via browser or Outlook add-in - no account required.
Security
Encrypt data
Encrypt every message, end-to-end
M365 offers basic encryption. Mailock protects sensitive data using AES-256 end-to-end encryption, securing content throughout delivery and reply.
Authentication
Verify identity
Make sure it's the right person
Set authentication challenges to verify identity before access. Integrate with your CRM to apply customer-specific checks and reduce risk of misdelivery.
Compliance
Revoke misfires
Go beyond Microsoft’s email recall
Microsoft recall only works in limited scenarios. Mailock gives you full message revoke capability - remove access to secure emails even after they’ve been opened.
Microsoft
Message Encryption
Mailock
Secure Email
Testimonial
Mailock removes a lot of risk and GDPR concern
Email is how our clients want to communicate. With Mailock, we can send and receive our clients’ information by email without putting it at risk.
Features
Why Mailock for Microsoft 365?
Turn email into a secure engagement channel. Reinforce Microsoft 365 with enterprise-grade encryption, identity verification, and compliance controls.
Compose
Choose how to initiate encryption (Outlook add-in, policy-based, or keyword triggers).
Encrypt
Monitor
Engage
Track
Revoke
Automate
Add Mailock Automated capabilities to send secure comms at scale.
Pricing
Mailock pricing plans
Explore our free and paid plans to choose the protection that suits your business best.
Integrations
Mailock for Windows Outlook
Enable secure email for your M365 users with the Mailock add-in for Windows Outlook.
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Mailock Enterprise
For high-volume contact
Explore how Mailock Enterprise secures high-volume emails with encryption, authentication, and advanced control.
Questions?
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