Setting up DMARC policies won’t help unless you keep track of it. Set up your domain monitoring, get DMARC reports emailed to you regularly, and get back to more interesting work.
Investigate SPF and DKIM issues that cause DMARC failures. It’s a win-win: prevent bad actors from spoofing your domain, and increase email deliverability while you’re at it.
Get an email health checkup in two minutes.