DNS-Based Defense: DMARC
In this lesson, we will discuss Domain-Based Message Authenticatioin, Reporting, and Conference and how it can help defend against phishing attacks.
We'll cover the following...
Introduction
DMARC, or Domain-Based Message Authentication, Reporting, and Conformance is another DNS-based email tool. It’s built on top of SPF and DKIM and has two main uses. First, it can be used to help ...