Glossary

Common technical terms in email

Stay current and expand your email knowledge with our list of common technical terms.

Public key cryptography

Public key cryptography, also known as public key encryption or asymmetric cryptography, is the process of using a pair of keys to encrypt data. While one key is a public key, the other is a private key that’s stored internally. These keys are used to authenticate a sender’s identity or encrypt data.

Public key cryptography facilitates standards like TLS/SSL and HTTPS, which keep email messages secure until they reach recipients’ inboxes. It’s a good standard for encrypting private communications between teams and clients. In addition to public key cryptography, email authentication methods like DKIM, DMARC, SPF, and BIMI are important for email authentication and security.

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