Importing a key
When you have received a public key from someone that you wish to have secured communication. you can add the key to the public keys that CPanel trusts.
To import a public key:
Click Manage OpenPGP Keys in website hosting account control panel.
Click Import Key to bring up the key import form.
Copy the key received and paste it into the text box.
Click Import to add the public key to the Cpanel trusted public key list.