So the next time you type a mail, you would be able to see an option to encrypt. This adds another button within your Gmail. The Chrome browser has an extension called Secure Mail for Gmail that can encrypt all messages and mails sent through Gmail to other email clients, not necessarily Gmail. Some regular email clients have add-ons and extensions which allow users to send and receive mails too.
This renders the message unreadable to everyone except the person who has the private key to decrypt and read it. Encryption basically uses an algorithm called cipher, which transforms all comprehensible text into a series of random characters.
To understand the significance of email encryption, one needs to know how encryption works. The user can set a time after which the mail will be deleted from the receiver’s inbox, similar to the Snapchat Messenger, where messages auto delete after a certain period of time. Also, it doesn’t ask for personal information such as the user’s age or mobile number. What gives ProtonMail an advantage over similar services is that it doesn’t track user data such as the Internet Protocol address used to log into the email account.
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