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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
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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
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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
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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
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July 30th, 2014 Geneva, Switzerland Proton Mail’s crowdfunding campaign has surged past $500,000 with the support of over 10,000 backers, setting a new record for a software project in the technology category on Indiegogo. The success of the campai
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$1000+ in prizes, 6 hours, free food and drink. August 2, 2014 at MIT.  Register on Eventbrite. View the hackathon webpage. We feel that privacy is a fundamental human right. The goal of the Proton Mail project is to build an encrypted email servic
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We are happy to announce the release of Proton Mail v1.08. As usual, please completely clear your browser cache to make sure you load the latest version of Proton Mail. Also, among all the security researchers who helped us, we’d like to give special
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This mini-update builds upon the major update 1.07. Bug Fixes * * Fixed an issue that prevented IceWeasel users from being able to login. * Fixed an issue that prevented users of the TorBrowserBundle from being able to login. * Fixed a
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We are happy to announce the release of Proton Mail v1.07. As usual, please completely clear your browser cache to make sure you load the latest version of Proton Mail. Bug Fixes * Fixed an issue where using certain display names could result in a
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Please completely clear your browser cache to make sure you load the latest version of Proton Mail. New Features * The monthly message limit on all accounts has been increased to 1000. * Changed login password hashing algorithm (backend) Known
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A couple of days ago, a video was circulated online that claimed Proton Mail is susceptible to a XSS (cross-site scripting) issue which raised some concerns among Proton Mail users. We want to clarify that this does not impact the current version of