Of course, there’s more to ProtonMail than just security. Keep in mind, though, that this doesn’t prevent recipients from saving a copy of a message offline. You can set a timer in hours, days, or weeks, and the message will disappear from ProtonMail’s servers after the allotted time expires. You can also turn on PGP (pretty good privacy) encryption with a single click, and this security measure is automatically applied to incoming emails to keep them safe from prying eyes.įor the most sensitive information, ProtonMail even has a self-destruct feature. Notably, ProtonMail even enables you to use end-to-end encryption when you’re sending messages to someone who uses a different email client. That also means that not even the folks at ProtonMail can read your messages, let alone a hacker peeking in on your connection. This service uses end-to-end encryption, which means that messages are encrypted on your computer before they’re ever sent.

ProtonMail was built to be one of the most secure email clients on the market. An enterprise plan is available on request. It also includes the Proton Calendar, Proton Drive, and Proton VPN services. The Business plan, at £9.39 per user a month, offers 500GB of storage and 15 email addresses per user, alongside unlimited folders, labels, and filters as well as support for 10 custom email domains plus contact groups management.

Each user receives 15GB of storage, while you get 10 email addresses per user, unlimited folders, labels, and filters, and suppoort for three custom email domains alongside contact groups management and Proton Calendar. Of the three business plans, Mail Essentials costs £5.97 per user a month. It also enables you to send encrypted messages to non-ProtonMail recipients, and to use three custom email domains, and includes unlimited folders, messages, labels, and filters, alongside priority support and the Proton Calendar, Drive, and VPN products. An Unlimited account costs £8.53 a month and comes with 500GB of storage and 15 email addresses.

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