Mailock® Pro
Exchange confidential files and messages by email (securely!)
Secure email for professionals & teams
Exchange confidential information confidently using Outlook or your browser - without compromising security or compliance.
Email sensitive
information, simply
- Encrypt messages and attachments
- Set recipient challenges to limit access
- Revoke delivered data at any time
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1. Send
Start a secure email from your desktop or web browser, choosing from a range of recipient authentication challenges.
2. Receive
Recipients get a notification in their inbox and must pass your authentication challenge to unlock their message.
3. Reply
Replying is easy - recipients can use Mailock for Outlook or web to maintain the security of any confidential information.
Security
Protect data
from interception
Secure emails and replies
Start encrypted email exchanges with a click, verifying your recipients to guarantee a safe connection. Protect messages and files on delivery and reply.
Prevention
Stop mistakes
before it's too late
Trigger sensitive data alerts
Prevent the top cause of a data breach - emails sent to the wrong people. Mailock won’t let you send sensitive data without confirming its security.
Integration
Secure email
where it suits you
Use with Outlook or on the web
Secure emails using the Mailock Outlook add-in for Windows, our secure web app, or upgrade to our Enterprise plan to integrate with any email client or provider.
Testimonial
It's become a critical part of our processes
It hasn’t changed the way we work. Email is how most of our clients want to communicate and Mailock enables us to do that securely.
Features
What's in the box?
Here are all the features you can access with Mailock Pro.
Compose
Compose secure emails in Windows Outlook or our web app. Create your message, add attachments, select your challenge and send.
Prevent
Catch sensitive emails before it's too late with custom trigger words. If they're included in a message, you'll be alerted to send it securely.
Encrypt
Your emails and attachments are secured with end-to-end AES-256 encryption - virtually impenetrable protection for sensitive data.
Challenge
Select from a range of authentication types including SMS, question-and-answer, and Unipass ID to make sure the right people gain access.
Monitor
Engage
Track
Revoke
Integrations
Mailock for Windows Outlook
Connect Mailock with Windows Outlook to send, receive, and manage secure emails without leaving your inbox.
Industries
Mailock for Financial Advisers
Discover how Mailock helps financial advisers meet compliance and deliver a seamless client experience.
Resources
Mailock case studies
Questions?
Talk to us
Book a demo with our team to see Mailock in action and get your questions answered.
Human Error and Outbound Email Security: Risks & Solutions
Human error email security: why mistakes happen, what they cost, and practical steps to reduce mistakenly sent data with training, process, and safeguards.
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FCA Durable Medium: A Simple Compliance Guide for Digital-by-Default Disclosures
FCA durable medium changes: a practical checklist for MiFID retail disclosures from 12 Jan 2026, covering digital-by-default delivery, evidence, and paper.
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Secure Email for Financial Services: A Complete Guide
A practical guide to secure email in financial services, covering compliance, durable medium rules, common risks, and how to choose the right solution.