Authenticate -

A witness with personal knowledge must testify that the item is what it claims to be.

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

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. authenticate

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)

To prevent unauthorized access, protect against identity theft, and secure data integrity. 2. Legal & Evidence Context A witness with personal knowledge must testify that

Adds a second layer of security, such as a one-time password (OTP) or a push notification to a mobile device.

Uses TLS/SSL certificates to verify the server or client identity. It is the essential process of verifying the

To verify that a document, photo, or text message is authentic and has not been altered before it is admitted as evidence in court. Process: