Mailock® secure email
Secure email,
made to connect
Exchange confidential information using your existing email setup. Encrypt messages and authenticate your recipients.
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Explained
What is Mailock?
Products
How will you use Mailock?

Pro
Secure client email
Protect email exchanges from cyber threat and human error with email encryption and ID authentication for business emails.
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Enterprise
Outbound email security
Secure all your organisation's sensitive email exchanges. Get BI/MI analytics. Protect critical customer data and boost compliance.
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Automated
Secure delivery at scale
Deliver high-volume confidential customer communications by secure email. Cut costs, increase security, heighten engagement.
Why Mailock?
Transform communications
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Prevent interception
Protect customers from email interception and fraud with NSA-grade security. Encrypt off-site data for FCA and ICO compliance.
Communicate efficiently
Minimise paper output
Save carbon and save costs by minimising your paper output. Meet your ESG targets and do it with bottom-line impact.
Reduce human risk
Misfired emails are the #1 cause of data exposure. Reduce risk with recipient authentication and message revoke.
Testimonial
It's a no-brainer!
It’s the ability to send information quickly and easily that adds credibility to our proposition.
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Get started
Choose your plan
Free
Free secure email
Pro
Secure client comms
Enterprise
Outbound email security
Key features
It's email as you
know it, secured
Free your email data from risk, with email encryption and multi-factor authentication.
Encrypt
Deliver emails and attachments with end-to-end AES-256 encryption - the NSA standard for confidential data.
Challenge
Set authentication challenges (email verification, SMS, Q&A, Unipass) so only the right people can open.
Integrate
Integrate with Windows Outlook and M365. Use alongside your CRM, antivirus, and server-side signature.
Audit
Keep audit trails of message activity (e.g., open, revoke). Get read notifications so you can follow up.
Revoke
Sent to the wrong person? Remotely revoke access to emails regardless of your recipient's infrastructure.
Engage
Recipients can encrypt their emails for free. Empower your customers with a secure thread to your business.
Compose
Compose a secure email from your desktop or browser, or pipe in your document output to secure at scale.
Automate
Deliver confidential documents to your customers in high volumes with automated digital recorded delivery®.

101 Guide
What Is Secure Email? Guide To Email Encryption And Authentication
Secure email solutions use email encryption and identity authentication to protect email contents from interception and manipulation, ensuring messages are delivered to the right people.
Questions?
FAQs, answered
Encrypted email?
Email encryption is the process of encrypting, or disguising, email content to protect it from being intercepted.
It is a key piece of outbound email security. Encryption is often coupled with identity authentication in secure email solutions to make sure email contents can't be read by anyone other than the intended recipient.
Is email not secure?
Email has been around as long as the internet has and it was never designed to be secure.
When you send an email, it travels through multiple nodes in a network. At any one of these, a threat actor could be present.
It could be at your mail server, the server of your recipient, or somewhere in the middle.
If your email contents are not encrypted, they can be accessed, even manipulated, on the way to your recipients.
Can I encrypt emails?
The most common email clients including Outlook, Gmail, and iOS provide a level of basic outbound encryption.
Mailock brings recipient authentication to email along with additional secure communications features including:
- military grade encryption
- trigger word warnings
- free sends for recipients
- high-volume delivery
What is secure email?
A layer of encryption is important, but it doesn't protect against the #1 cause of data leaks - human error.
Secure email solutions combine identity authentication with email encryption, so even if you send to the wrong address, the wrong person can't gain access.
This also adds extra protection against threat actors, especially in the event of an inbox takeover attack.
Recipient authentication methods can include device checks, challenge questions, or third-party certificates.
What is Mailock?
Mailock is a secure email solution that enables the safe and compliant exchange of confidential data.
It combines award-winning encryption technology with multi-factor identity authentication to protect confidential emails from cyber risk and keep customer information protected.