The way it works is that ProtonMail will send out the message as encrypted but leave a link in the email. When sending an email to a recipient who does not use ProtonMail, you can make a choice of whether to send the email encrypted or unencrypted. The service will also not keep your IP address information meaning that emails you send or receive cannot be traced back to you. You see, it’s so secure that even ProtonMail wouldn’t be able to help you to recover your emails if you forget your password. This serves a sort of double-edged sword. This means that no one is decrypting your encrypted emails without your unique password.

ProtonMail is a free, open-source, secure email provider that features end-to-end encryption. Extra space requires a payment of a one-time fee, so you only have to pay it once. If you need more storage, you can purchase extra space. This makes it so that decryption is impossible even if a hacker gets a hold of your password.Ĭountermail offers up a one-week free trial, which includes 3MB of space, after which you will need to purchase a plan to keep using the service. The decryption key, which is required to login and decrypt your emails, can also be found on the device itself. Kind of like a physical version of Two-Factor Authorization, you must first enable the feature. This provides an additional layer of protection in the form of physical security. CounterMail is also the only web-based, secure email provider that implements a USB dongle feature.

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