Proton Mail is an end-to-end encrypted email service developed by Proton AG, founded by scientists who met at CERN, focused on providing secure and private communication. It ensures that emails are encrypted at all times, making them unreadable to anyone but the sender and intended recipient, even Proton itself. The service is accessible via web browsers, dedicated desktop applications for Windows, macOS, and Linux, and mobile apps for iOS and Android. Its most used feature is the automatic end-to-end encryption, which works seamlessly in the background without requiring any user action. User data, including emails and attachments, is stored encrypted on Proton's servers in Switzerland, protected by strong Swiss privacy laws.
Why It’s Useful
Proton Mail eliminates the significant privacy concerns associated with traditional email providers, protecting sensitive communications from surveillance and data breaches. For the privacy-conscious individual, it offers peace of mind knowing their personal conversations and data are truly secure and private, free from targeted advertising. A lawyer or consultant can confidently share sensitive client information via email, assured that only authorized parties can access its content. The free tier offers 1 GB of storage and basic features, which is genuinely useful for personal use, though paid plans (starting around €4.99/month) unlock more storage and advanced features. While Tutanota also offers encrypted email, Proton Mail often wins on its more mature ecosystem, including an integrated VPN and calendar, and a larger community. A power feature is "Proton Send," allowing users to send encrypted emails to non-Proton Mail users via a password-protected link. A non-technical person can set up an account and start sending encrypted emails in under 5 minutes.
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