The ProtonMail mobile app makes it easy for you to send private messages from your favorite device! No matter where you are, no matter where you go! Join the millions of users switching to encrypted email.
ProtonMail makes email security simple with automatic encryption and an easy-to-use user interface.
ProtonMail was founded in 2013 by scientists from CERN who shared a vision of a more secure and private Internet. Since then, we have helped millions of people world-wide secure their online data. We are dedicated to building an Internet that protects privacy.
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To learn more about our unique security features, click here.