Proton Mail is the world’s largest secure email service with over 100 million users. Available on Web, iOS, Android, and desktop. Protected by Swiss privacy law.

Proton Mail provides encrypted, secure email for over 100 million people and businesses. Free and paid plans available.

Proton Mail is based in Switzerland and uses advanced encryption to keep your data safe. Apps available for Android, iOS, and desktop devices.

What started as Proton Mail, now the world’s largest encrypted email service, has blossomed into an ecosystem of privacy-centric products ... the vanguard of a movement that puts user …

Aug 28, 2025 · In this article, you’ll learn how to send secure emails in Gmail, Outlook, Proton Mail, and more, using built-in features and tools that enhance your email security easily and …

Aug 17, 2023 · Learn about email security and simple ways to secure your mailbox against cyberthreats. From intimate letters to purchase receipts, financial information to doctor’s notes, …

With over 90% of cyberattacks starting through emails, your choice of mail provider is a critical decision. Here’s a closer look at Proton Mail and how it ensures your business …

Jan 12, 2023 · If you’d like to send fully encrypted messages and enjoy a more secure inbox, sign up for a free Proton Mail account. Together, we can build an internet where privacy is the default.

Nov 30, 2022 · As the world’s most popular encrypted email service, Proton Mail ‘s number one priority is to protect your privacy and security. Proton uses E2EE and zero-access encryption …

Mar 21, 2025 · Rather than trusting a service to voluntarily limit what it looks at, it’s safer to use Proton Mail for managing your inbox. We use end-to-end encryption to protect all your data, …