Why Most Companies Still Fail at DMARC Implementation (And How to Fix It)

Content by: Heather Scaglione from EasyDMARC

Phishing attacks are rising, and many MSPs assume that publishing a DMARC record is enough. But partial setups, misaligned SPF/DKIM, and lack of monitoring often leave client domains vulnerable.

DMARC verifies that emails truly come from a domain—but without correct configuration and ongoing oversight, spoofed messages can still slip through. MSPs often face challenges managing multiple client domains, third-party senders, and complex DNS setups.

Common pitfalls include leaving DMARC on “p=none” too long, missing failure reports, or not aligning all tools like CRMs and marketing platforms. DNS lookup limits and misconfigurations can cause delivery issues or security gaps.

How to fix it: Start with “none,” align all sources, monitor reports, and move clients toward “quarantine” or “reject.” Tools like EasyDMARC simplify monitoring, alert you to changes, and ensure each domain stays protected.

For MSPs, DMARC success isn’t one-time setup—it’s continuous, proactive management across every client domain. Contact us for more information!