Proton Mail provides secure email services with end-to-end encryption, ensuring data protection. Swiss-based and outside US jurisdiction, it offers a free version to champion privacy as a human right. Fully accessible on any device.
Switzerland




Gmail is not available for Linux but there are plenty of alternatives that runs on Linux with similar functionality. The best Linux alternative is Proton Mail, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to Gmail and 16 are available for Linux so hopefully you can find a suitable replacement. Other interesting Linux alternatives to Gmail are Tuta Mail, Zoho Mail, Fastmail and Aster Mail.
Proton Mail provides secure email services with end-to-end encryption, ensuring data protection. Swiss-based and outside US jurisdiction, it offers a free version to champion privacy as a human right. Fully accessible on any device.




Offers comprehensive encryption for email, calendar, and contacts with zero personal info required. Built on open source, install via Play Store, F-Droid, or APK, with Tor and VPN support. Both free and paid plans; utilizes quantum-resistant encryption ensuring privacy-focused, anonymous usage.



Zoho Mail is a secure, encrypted, and enterprise-ready email solution, a suite of apps tailor-made for your organization's needs.




Fastmail offers secure email hosting with comprehensive webmail services, including IMAP, POP, and SMTP protocols. It supports file sharing, shared folders, large mailboxes, instant messaging, and is compatible with popular email programs. Excellent for businesses with compliance features.




Aster Mail is private, encrypted email that's free to use. Your mail is encrypted before it's stored, so nobody at Aster can read it, scan it, or show you ads based on it.




Hey is a new hosted email service launched by the makers of Basecamp , which aims to organize your email inbox. Since they don’t sell ads, or invade your privacy, they charge $99/year for HEY



This is an open-source, clean-room mail, calendar and contacts program in pure Rust, for Microsoft 365, Outlook.com and IMAP. Early alpha.




OnionMail is an anonymous and encrypted mail server made to run on the TOR network without losing the ability to communicate with the Internet.

The Beeble Project is email and online cloud storage platform with unprecedented security and privacy without third party access.



Russian cloud provider with 8 GB of free space.
Requires @mail.ru email address to work.
Although the web interface is currently in Russian, the applications are in English.
Affordable business email hosting starting at $1.95/mailbox with US-based phone support, spam filtering, and full IMAP/POP3/SMTP compatibility—ideal for small teams needing professional custom domain email without expensive productivity suite bundles.




Finally, an email service that's built around your privacy. Get your @criptext.com email address and see what it's like to have peace of mind and privacy in every email you send.


