What is DMARC?
DMARC (Domain-based Message Authentication, Reporting & Conformance) is the industry standard for protecting your email domains from impersonation, phishing, and spoofing. It builds on SPF and DKIM and lets you decide what happens when a message fails authentication - monitor, quarantine, or reject.
Why DMARC Matters
Without DMARC, anyone can send an email that looks like it came from your domain. DMARC gives you the tools to protect your brand and your recipients, while providing real visibility into how your domain is used across the internet.
- Visibility: See who is sending on behalf of your domain and whether those sends are legitimate.
- Control: Gradually move from "monitor only" to quarantine or reject with confidence.
- Trust: Ensure only authorized senders use your domain - improving deliverability and reducing risk.
What You Can Learn from DMARC Reports
Mailbox providers (Google, Microsoft, Yahoo, and others) send aggregate DMARC reports (RUA) showing who's sending mail for your domain and how those messages perform on authentication checks.
- Senders & sources: IP addresses and hostnames using your domain.
- Auth results: Pass/fail for SPF and DKIM.
- Alignment: Whether the visible From domain aligns with SPF/DKIM domains.
- Trends: Volume, geography, spikes, and new/unknown senders.
With this data you can uncover misconfigurations, find unauthorized senders, and tighten policy safely over time.
How MyDMARC Helps
Manually parsing raw XML can be tedious and error-prone. MyDMARC automates ingestion, parsing, and visualization - so you get clear insights fast.
- Automated collection & parsing of all your DMARC reports.
- Sender visibility—quickly see which IPs and hostnames use your domain.
- Authentication & alignment tracking to spot and fix issues early.
- Trends & alerts for new senders or failing authentication.
- Monitor → enforce with confidence as your configuration matures.