GPG (GnuPG) encrypts messages using asymmetric individual key pairs. To implement GPG encryption with Campaign, GPG keys must be installed and/or generated on a marketing instance by an Administrator user directly from the Control Panel.
Learn how to generate and install a public/private key pair on a specified Campaign instance for the encryption of outbound data. Learn how to import and install a public key on a Campaign instance for the decryption of inbound data.
See the product documentation for more information on GPG key management (documentation)