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Happy Thanksgiving to the Proton Community in America!  We hope you are having a happy and safe reunion with dear friends and family.  For the rest of us, the holiday season is just around the corner! On this special day, we would like to thank our
UPDATE 11 October 2021: We are now using Let’s Encrypt as the Certificate Authority that verifies the SSL certificates used to secure the Proton Mail and Proton VPN web sites. For more information on this, and for instructions on how to check the val
If your Firefox browser does not pass our compatibility check due to session storage and you are already using the latest version, here’s how you can enable it. enable_sessionStorage_firefox1 [https://res.cloudinary.com/dbulfrlrz/images/w_1200,h_666
We are happy to announce the release of Proton Mail v1.11. As usual, please clear your browser cache or log out and log back in if you encounter any problems. New Features * Added a layer of redundancy to prevent incoming email loss in the event o
In Proton Mail v1.11 and up, we support the importing of your existing email contacts from other email service providers (ESPs). The process takes just a few minutes and is outlined here: EXPORT CONTACTS FROM GMAIL 1. Log in to Gmail. 2. Go to th
We are happy to announce the release of Proton Mail v1.10. As usual, please completely clear your browser cache to make sure you load the latest version of Proton Mail. New Features * Better support for mobile users. * User’s account name is now
Dear Early Adopters, When we released Proton Mail Beta to the public on May 16, 2014 after nearly a year of development, we were expecting maybe a few thousand users to try out our system over the summer.  However, within 2 days, we shot past 20k us
Update: As of December 2016, Proton Mail has switched to a single password system as the default. The two-password mode described in this article is still available and supported, but is no longer the default. Proton Mail uses two passwords to secur
As we reported earlier on our blog, we had an incident which caused some emails from over a 20 hour period to disappear. Immediately afterwards, we initiated data recovery steps and within a day, we were able to recover the data and begin restoring
UPDATE August 12, 2014 –  We have managed to recover most of the missing emails, and will work to restore them over the next couple days. On Monday, August 11, 2014 we took Proton Mail offline for upgrades, which we estimated would take just a few m
We are happy to announce the release of Proton Mail v1.09. As usual, please completely clear your browser cache to make sure you load the latest version of Proton Mail. Among all the security researchers who helped us, we’d like to give special thank