SEPPmail's Secure Email Gateway is a comprehensive technology solution for secure email communication, designed for enterprise environments including large global corporations. It offers automatic email encryption and decryption without user intervention, supporting global encryption standards such as S/MIME, OpenPGP, TLS, and SSL. The gateway incorporates GINA technology for secure communication with recipients lacking encryption software or keys, and provides domain encryption for automatic email encryption within domain networks without key exchange. It also enables in-house encryption for internal email transmission. The platform offers features to protect confidential data, ensure sender authenticity, and maintain message confidentiality and integrity. It provides comprehensive functionality with simplicity and flexibility, and can be expanded with additional options like Large File Transfer. The Secure Email Gateway addresses high-availability requirements with a scalable system architecture and meets compliance standards such as SOX, PCI, Basel II, and HIPAA.