The decryption takes place client-side either in a web browser or in one of the apps. This is to access the account and the encrypted mailbox and its private encryption key. Upon logging in, the user has to provide both passwords. The recipient receives a link to the ProtonMail website on which they can enter the password and read the decrypted message. With encryption, the message is encrypted with AES under a user-supplied password. SecurityĮmail messages sent from Proton to non-Proton email addresses may optionally be sent in plain text or with end-to-end encryption. As is to be expected, the app offers all the services that are usually included with a high quality email client, on top of a bunch of other specific security features. When opening an account with ProtonMail PC app you’ll get 500 MB of free storage space, that you’ll be able to increase by making a donation to its developers. What’s important, though is taking enough time to choose a good password and making sure your back up email account is up to date. Creating an account is totally free, and it’ll only take you a couple of minutes to make one. Of course, to start to use the app you’ll first need to create a Proton email account. When the recipient logs in, their mailbox password decrypts their private key and unlocks their inbox. Once encrypted, only the private key of the recipient can decrypt the message.
The service can be accessed through a webmail client, the Tor network, or dedicated iOS and Android apps.Īn email message sent from one ProtonMail for Windows account to another is automatically encrypted with the public key of the recipient. The app uses client-side encryption to protect email content and user data before they are sent to ProtonMail servers, unlike other common email providers such as Gmail and. ProtonMail for PC is an end-to-end encrypted email service founded in 2013 in Geneva, Switzerland by scientists who spent time at the CERN research facility.
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