⭐ Lisa's Pick

Proton Mail

Secure email that protects your privacy

by Proton AG 📍 Switzerland

Open Source E2E Encrypted Zero Knowledge No Logs Audited

Free / $4.99/mo

Free tier includes 1GB storage. Business plans start at $7.99/user/month.

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Quick Specs

Open Source	✓ Yes View code
E2E Encrypted	✓ Yes
Zero Knowledge	✓ Yes
Self-Hostable	✗ No
No Logs Policy	✓ Yes
Audited	✓ Yes
Jurisdiction	Switzerland
Pricing	Freemium

About Proton Mail

Proton Mail is an end-to-end encrypted email service founded by CERN scientists. Based in Switzerland, it offers strong privacy protections and is open source. The service includes calendar, drive, and VPN as part of their ecosystem.

Best For

Organizations needing encrypted email with calendar and storage integration

Lisa's Take

Our primary email recommendation. We use Proton for all Ascension communications. The Swiss jurisdiction and zero-knowledge architecture make it ideal for organizations handling sensitive data.

✓ Pros

End-to-end encryption by default
Swiss privacy laws
Open source clients
Integrated calendar, drive, VPN
No advertising, no tracking

✗ Cons

Limited free tier storage
Some features require paid plans
Cannot self-host

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