You’ve been hearing us talk about DMARC for the past 2 months. But do you really understand what it is?

Here’s the lowdown from our email glossary:

DMARC stands for Domain-based Message Authentication, Reporting and Conformance. The DMARC specification allows senders and recipients to exchange email authentication to guard against online phishing and other bad practices in the messaging industry. is a group that was created by 15 email services providers, financial firms and message security companies in 2012. Members of the group include Google, Microsoft, Return Path and Yahoo. aims to create standards or email marketing best practices to combat the threats posed by phishing, spam and other abuses of email. DMARC adoption is important for marketers, as large ISPs and inbox providers such as Gmail and Yahoo are key gatekeepers to large segments of customers — if a business’ email is not DMARC compliant, its email deliverability could be adversely affected.

They say the pen is mightier than the sword, but we believe a picture says a thousand words too. To that end, we found a great infographic created by DK New Media to explain its use and how it all came about. ‘Nuff said.