ProtonMail premium accounts start at 4€ per month and are a great way to support the project.

Up to 20 GB Storage


Up to 10 Custom Domains


Up to 50 Addresses


Priority Support

STEP 1

Log in through the web version.

LOG IN

Login Page

STEP 2

Click on Upgrade in the top right toolbar.

Dashboard Screenshot

Other ways to contribute?
It is also possible to donate or even contribute code.

Get your secure email account
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Proton Technologies AG

Chemin du Pré-Fleuri, 3
CH-1228 Plan-les-Ouates, Genève, Switzerland

For support inquiries, please visit
protonmail.com/support

For security related discussions
security@protonmail.ch