Note that PGP encryption does not encrypt the subject line of an e-mail.
That way, only the person who needs to get the content of the box has the key that allows them to unlock it. The receiver uses the sender's public key to decrypt the hash code. Where can you use PGP? It is another software tool that implements the OpenPGP standard.
Today, PGP encrypted email can be exchanged with users outside the U. Or even those dank memes that should not be spoken of? Sending sensitive information through the internet is always nerve-racking.