About

In a public key infrastructure, a public key server is a server that stores and make the public key available to the public.

You can think of the keyserver as a phonebook where people:

• can look up your public key
• download the public key
• and use it.

They can use it to

• verify your identity
• send you an encrypted email (along with GnuPG

Example

The MIT PGP Public Key Server