Proton

Update: As of December 2016, Proton Mail has switched to a single password system as the default. The two-password mode described in this article is still available and supported, but is no longer the default.

Proton Mail uses two passwords to secure your account: login and mailbox.

Login password

Your Login password is the first password you enter and it authenticates you and logs you into our secure system.(new window)
Your login password is the first password you enter and it authenticates you and logs you into our secure system.


MailBox password

Your Mailbox password is the second password you enter and this unlocks and decrypts your encrypted messages locally.(new window)
Your mailbox password is the second password you enter and this unlocks and decrypts your encrypted messages locally.


Related articles

A stylized icon resembling the Google Photos logo with a dark triangular warning sign containing an exclamation mark, representing Google Photos safety issues
Is Google Photos secure to share private pictures? Here's how its protections can fall short — and other options for safer photo sharing.
how to change your email address
Learn how to change your email address across email services, including Gmail, Yahoo, Outlook, and iCloud without risking your data.
Who is responsible for protecting CUI?
  • Privacy guides
This article breaks down CUI, the parties responsible for marking and guarding it, and what goes into keeping it secure.
The cover image for a Proton Pass blog about how to change your Facebook password settings. The image shows the Facebook icon with a password field beneath it and a tick at the end of the password field
Here's a step-by-step guide for how to change or reset your Facebook password settings — and how to create a strong password you'll remember with Proton Pass.
A Gantt chart showing progress through the product roadmaps.
  • Product updates
We're sharing the roadmaps for all our services so you can see what's coming and give us your feedback.
A laptop with a Gantt chart, representing the Proton Drive roadmap for spring 2025
  • Product updates
  • Proton Drive
This spring, we're adding long-awaited features in Proton Drive, like albums, folder sync on macOS, and new Docs formatting tools. See more.