: A policy that tells Gmail, Yahoo, and Hotmail how to handle emails that fail SPF or DKIM checks. 3. Recognizing Verification Scams Be cautious of unsolicited "verification" requests.

: Technologies like SPF, DKIM, and DMARC to ensure the sender is who they claim to be.

The term may look like random tech SEO spam, but it tells a coherent story: the internet runs on trust.