PGP (Pretty Good Privacy) is basically an encryption program. PGP is a most popular standard for email encryption. PGP’s method used sign message to verify the identity of the sender and the integrity of the content. PGP uses a private key that user should be kept secret and a public key that sender and receiver must share. The technology is also called Gnu Privacy Guard or GnuPG which is a fully compatible GPL-licensed alternative.
Benefit of pgp encryption
- Verify automated messages so that you can be sure they came from genuine person and haven’t been tampered with en route.
- Receive encrypted automated email from genuine person. Some of the emails will contain sensitive information, such as account recovery instructions, so encryption adds an extra layer of security.
- Help in securing your account if your email is ever compromised.