Mailock® Free
Free secure email
for a safer world
Email private information safely
Deliver information securely by encrypting emails and authenticating your recipients.
- 5 secure sends per month
- Unlimited secure replies
Free secure email
No need to switch
your email account
Protect emails from any device
Secure confidential emails and attachments for free using our Windows Outlook add-in or the Mailock web browser app.
- End-to-end email encryption
- Q&A recipient authentication
- Free secure replies for recipients
Q&A authentication
Double check your
recipient's identity
Reach the right people, only
Authenticate recipients when they open your emails. Set a question they’ll have to answer correctly for access.
- Protect personal information
- Prevent email interception
- Comply with the GDPR
Protect data
Are your emails confidential? Mailock uses encryption and authentication to prevent email interception by cyber criminals.
Reduce admin
No need to post a document to get proof-of-delivery. Mailock tells you when your secure emails get opened.
Limit access
Secure messages and attachments with a challenge question so only the intended recipients can gain access.
Save carbon
Why waste paper when you can send documents faster, more efficiently, and more securely with Mailock?
Testimonial
Perfect for exchanging sensitive documents
Sending documents back and forth is easy, and it's secure, unlike post, which can be intercepted or sent to the wrong address.
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Encrypt emails and attachments at the click of a button
Keep your email data safe with a free secure email account.
Compose
Encrypt
Challenge
Engage
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Get started
Create an account
Our free secure email account gives you unlimited secure message replies and a monthly allowance of secure sends.
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