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Illustration of the Bridge security model
  • Product updates
  • Proton Mail
The Proton Mail Bridge security model
You can use Proton Mail Bridge with IMAP/SMTP email clients. Here we explain the Bridge security architecture and how it protects your data.
Illustration of Proton Mail Covid-19 response
  • Proton news
We’re offering extra resources in response to COVID-19
Proton is offering extra storage, free business email accounts, and other resources to support our community through the coronavirus pandemic.
protonmail bridge for linux
  • Product updates
  • Proton Mail
Proton Mail launches Bridge for Linux
Proton Mail Linux users can now connect their email accounts with the Thunderbird client.
  • Privacy guides
How to protect your data as COVID-19 scams soar
Email scams trying to steal data and money are rising as criminals seek to profit from the COVID-19 pandemic. Here are some common scams and how to stay safe.
Illustration of someone working from home.
  • For business
Working from home: A security guide from Proton Mail’s IT security experts
COVID-19 has forced companies to transition to working from home. We created a guide to help employees and administrators stay safe online.
An illustration of Zoom's attendee attention tracking.
  • Privacy news
Using Zoom? Here are the privacy issues you need to be aware of
If you’re using Zoom while working from home, you should be aware of Zoom's privacy policies, including its “attention tracking” tool.
An illustration of political campaigns sharing voter data.
  • Privacy guides
Political campaigns and your personal data
Political campaigns are as driven by personal data as Google or Facebook. And these campaigns often share your data with third parties.
Illustration of alternative routing
  • Product updates
Introducing alternative routing to prevent censorship of Proton apps
Proton provides anti-censorship measures to help users bypass DNS blocks. This article explains how these systems work.
Illustration of vulnerability disclosure
  • Product updates
  • Proton Mail
Proton Mail’s responsible vulnerability disclosure policy
This document describes the vulnerability disclosure policy our security team follows when we discover flaws in third-party products.
Illustration of a user using DKIM keys to stop a hacker spoofing their email.
  • Product updates
  • Proton Mail
Introducing DKIM key management, a new feature to protect against domain name impersonation
DKIM key management lets users rotate their keys manually, making it harder for attackers to spoof their email address.
why users pay for protonmail
  • Proton news
Privacy isn’t free. Here’s why that’s a good thing.
Free digital services have become the norm, but we’re paying for them with our data. At Proton, we’re turning this model upside down and restoring digital freedom.