Atomic Mail lets you send fully encrypted emails

When you purchase through links in our articles, we may earn a small commission. With Atomic Mail, you can send and receive emails securely thanks to end-to-end encryption on all devices. Atomic Mail promises secure communication with end-to-end encryption, which protects messages that only you and the sender can read. First, create a new account by clicking the Create Inbox button on the homepage. Once you've created your inbox and logged in, download the file that contains your security phrase.