A VM-firmware that can be easily integrated into the mail stream and takes over all e-mail security-related tasks. These are: Email signature, certificate reference and management. All emails marked as confidential are encrypted - no matter where and who the recipient is. User-based e-mail signature and encryption based on S/MIME, openPGP and patented GINA technology. Includes all CA connectors, S/MIME decryption and domain decryption.