Authenticate

Using SPF, DKIM, and DMARC to prove an email came from a legitimate source, preventing spoofing.

Ensuring a user is who they claim to be, typically through methods beyond just a username and password. Methods: authenticate

Uses TLS/SSL certificates to verify the server or client identity. Using SPF, DKIM, and DMARC to prove an

Using experts, appraisals, and carbon dating to verify origin and ownership history (provenance). 4. International Documentation How to Authenticate Email Domain Godaddy (Full 2025 Guide) Using experts, appraisals, and carbon dating to verify

To authenticate means to prove that something—a user, a document, or a piece of evidence—is genuine, real, and not a forgery or a copy. It is the essential process of verifying the identity of a user, process, or device, usually as a prerequisite to allowing access to resources in an information system.