If you’re already curious about Proton Mail, then you are probably keenly aware that email communication can be spied upon.

Android and iOS apps are also available for mobile, and those with a paid account can use the Proton Mail Bridge to check your email from Thunderbird, Apple Mail, or your desktop email client of choice. This guide takes you through how to safely and effectively use Proton Mail’s web app, which you access via your browser at.

If you’ve never used PGP, or need a refresher on the fundamentals, have a look at one of EFF’s excellent explainers. If you’re already using a client like Mailvelope, Thunderbird, or Apple Mail with GPG Suite, you have a good basis for getting started.

PGP is famously tricky to use, but through its design, Proton Mail simplifies things a great deal. Proton Mail uses PGP, Pretty Good Privacy, an encryption standard commonly used for encrypting the content of emails. This means that communication between anyone whose email is managed by Proton Mail can only be viewed by members of that party No outside parties, including Proton Mail itself, can view the content of any messages sent through the service. Proton Mail is a Switzerland-based email client that offers end-to-end encryption between its users by default.

Proton email service how it works