Proton Mail

Open sourceFree

End-to-end encrypted email from Switzerland

Overview

Email service with zero-access encryption — Proton cannot read your emails. Based in Switzerland under strong privacy laws. Offers calendar, drive, and VPN in the same ecosystem.

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Referenced in

Practices using Proton Mail

Email Metadata Awareness

End-to-end encrypted email. Swiss jurisdiction. Zero-access encryption.

Email Aliases

Built-in alias support with hide-my-email addresses.

Evaluating Email Providers

Swiss E2EE email. Zero-access encryption. Published transparency reports.

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