Gmail is 21 years old today and for its birthday present it wants to give the gift of easier encryption for all. This is a service that’s aimed at companies in regulated industries to more easily encrypt their emails,

Although the encryption is for business customers, regular consumers on both Gmail and non-Gmail accounts can receive the encrypted emails.

As Gmail turns 21, Google has announced it is bringing end-to-end encryption to the email party. Here's what you need to know.