Privacy-Enhanced Mail (PEM) is a standard for providing secure email communication. It was developed in the early 1990s to enhance the privacy and security of email messages. PEM employs various cryptographic techniques to ensure confidentiality, integrity, and authentication of email messages. The key features of Privacy-Enhanced Mail include: 1. **Encryption**: PEM uses cryptographic algorithms to encrypt email content, ensuring that only the intended recipients can read the messages.
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