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UPDATE Nov. 19, 2019: We have recently confirmed that our users in Belarus can access Proton Mail and Proton VPN once again. While there has been no official communication as to why Proton Mail and Proton VPN were unblocked (or why we were blocked in
illustration of Proton Mail iOS open source
We’re happy to announce that the Proton Mail iOS app is now fully open source.  We believe in transparency, the power of community, and building a more private and secure future for all. That’s why our web app has been open source since 2015, and it
illustration of Proton Mail iOS client security
This post documents Proton Mail’s iOS security model and illustrates how our application protects sensitive data on client iOS devices. The advantages and limitations of this approach are discussed, and the source code can be viewed here. You can als
Today we’re unveiling our biggest redesign ever. Not only does Proton Mail Version 4.0 look more modern on the surface, it’s part of our ongoing transition to a newer software framework that lays the foundation for future features, new products, and
Since we launched in 2014, Proton Mail has been the preferred email service provider for activists around the world. Protecting freedom of speech and democracy is, after all, one of the main reasons we created Proton Mail in the first place. Normally
Illustration of why Proton Mail is trustworthy
This is a challenging question to answer, but it is also a fair one, so we wanted to share our views about this in a blog post. In general, we strive to make our service require as little trust as possible. We encrypt data in a way that does not allo
Illustration of multi-account support in Proton Mail Android.
Version 1.12 of the Proton Mail Android app makes it easy for anyone to manage multiple Proton Mail accounts right on their phone. This feature allows you to be logged into multiple Proton Mail accounts at the same time, and easily switch between the
Illustration for Proton Mail security update
At Proton, your security is always our first priority. That’s why, in recent months, we have added support for MTA-STS, DANE, WKD, DNS CAA, and much more to Proton Mail to further enhance your security. We know that many people, such as journalists,
As there has been a lot of inaccurate information circulating online about Proton Mail and Huawei, the purpose of this blog post is to clarify the facts and provide information to the Proton community. BACKGROUND On September 5th, 2019, we announc
UPDATE Sept 8th, 2019 – This blog post has been reported in some mainstream media as Proton Mail is considering to “partner with Huawei”. Proton Mail is not partnering with Huawei. We are simply considering allowing Proton Mail to be used by people w
Earlier this week, investigative journalists at Bellingcat were targeted by a sophisticated phishing attack. As there has been some incorrect reporting about the incident, we are releasing a statement to provide clarification. On July 24, investigat