Features > Compose

Secure compose

Start a secure email your way

With Mailock®, protecting your emails is simple.

Whether you're working from your desktop, a web browser, through another email platform, or using automation, Mailock keeps your messages secure.

Wherever your emails begin, they’re protected with AES-256 encryption to keep sensitive information secure.

Outlook add-in

Send secure emails effortlessly using the Mailock for Windows Outlook add-in.

Switch between secure and regular emails with a single click.

The add-in can detect sensitive content and suggest encryption, helping you keep communications secure without added effort.

Web app

Our web app lets you send secure emails from any browser, complete with features like recipient authentication and secure attachments.

Ideal for occasional secure email use or working across devices - no software installation needed.

Other email services

If you use another email service or document production system, you can apply security using keywords or x-headers.

Automated delivery

Mailock’s automated delivery lets you securely batch and send large volumes of emails and attachments.

Set up rules or keywords to trigger encryption automatically, helping ensure your communications are delivered securely.