Protonmail uses the more standard PGP encryption standard Skiff Mail, on the other hand, uses an elliptic curve based encryption standard that is designed to be more usable, efficient, and scalable than PGP. While Skiff Mail and ProtonMail both have end-to-end encryption as the central tenet of their respective products, they implement the encryption in different ways.

Even if the messages are intercepted in transit, they cannot be read unless the interceptor has this private key. This is because the messages are encrypted at the sender’s side with a key known only to the receiver. End-to-end encryption is a system of communication where only the communicating users can read the messages not even the service provider can read the messages. Email encryption The core security features and functionality of Skiff Mail and ProtonMail includes end-to-end encryption of all emails. They have since developed accompanying Calendar, VPN, and Drive products. ProtonMail’s first product was a fully end-to-end encrypted email client and service. ProtonMail was founded by researchers at the Swiss Particle Physics Research Laboratory CERN. ProtonMail is a Swiss privacy company founded in 2013 in Geneva, Switzerland. In May 2022, Skiff launched Skiff Mail, its fully end-to-end encrypted email service which is already making waves as one of the best alternatives to non-secure standard email products. History Skiff was founded in 2020 in New York City, with its first product being a real-time document collaboration product that incorporated full end-to-end encryption. If you have been considering changing your email account to something more private and secure, but have not made the final push, this is the blog for you. This piece will delve deeper into two of the bigger names: Skiff Mail and ProtonMail. While there are countless great email clients available today, the privacy-first, secure, and end-to-end encrypted email market is smaller and varies significantly on usability and feature sets. Tens of millions of people are switching from privacy-invasive email providers like Gmail and Microsoft Outlook, but they frequently do not know about alternative secure email services that are available, popular, and easy to use.

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