S/MIME

S/MIME (Secure/Multipurpose Internet Mail Extensions) is a standard for public key encryption and signing of MIME data (such as email messages). It is used to ensure the confidentiality, integrity, and authenticity of email communications. Here are the key components of S/MIME: 1. **Encryption**: S/MIME allows users to encrypt their email messages, ensuring that only the intended recipient can read the content.