SPF

A DNS record that lists the IP addresses authorized to send email for a domain.

Category
Architecture
Term ID
sender-policy-framework
Related
4 Terms
Status
Defined
01 — The Deep Dive

Understanding the Mechanics

SPF (Sender Policy Framework) is the bouncer. It tells the recipient server: 'If the email didn't come from this IP, it's not really from us.' It is the first line of defense against spoofing.

Related Concepts

Master the Terminology

Don't just learn the words. Build the machine that defines them.

PHASE_01

Audit

Map your sales flow

PHASE_02

Fix

Repair what's broken

PHASE_03

Install

Wire it together