DMARC Deployments Quadruple In 2017

Using DNS query data supplied by Farsight Security, global deployment of DMARC appears to have grown by roughly 400% over the course of 2017. The portion of these domains publishing “quarantine” or “reject” policies – which generally prevent fraudulent messages using one of these domains from being delivered to the inbox – rose from 21% […]

DMARC Policies Increase 300% over 2019

The number of valid DMARC policies observed in the DNS increased by roughly 300% over the course of 2019, based on analysis of data from Farsight Security. At the end of 2018 there were roughly 630,000 valid DMARC policies published, and at the end of 2019 this figure was 1.89 million. (See similar announcements from […]