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Introducing DMARC Report Reader: Making Email Security Analysis Simple

I manage email for several domains and set up DMARC records to monitor email authentication. The problem? Reading the reports. So I built something better.

I manage email for several domains—my own projects, client websites, the occasional freelance gig. And like any responsible domain owner, I set up DMARC records to monitor email authentication.

The problem? Reading the reports.

The Frustration That Started It All

Every week, I'd receive these DMARC aggregate reports from Google, Microsoft, and other mail providers. Important data about whether emails from my domains were passing authentication. But the format? Compressed XML files that looked like this when opened:

<record><row><source_ip>185.250.239.6</source_ip><count>2</count>...

I'd paste them into online validators, squint at raw XML, or just... ignore them. None of those options felt right. I needed to monitor my email security, but the friction was too high.

So I built something better.

DMARC Report Reader

DMARC Report Reader transforms these complex reports into clear, actionable insights. Simply drag and drop your XML file (or ZIP/GZ archive) into the app, and instantly see:

  • Compliance Summary — Visual indicators showing your DKIM and SPF alignment rates
  • Policy Settings — Your domain's DMARC policy at a glance
  • Message Records — Detailed breakdown of each source IP, pass/fail status, and disposition

I designed it with a clean dark interface because, let's be honest, checking email security often happens at odd hours. Your eyes will thank you.

Built for How I Actually Work

The features came directly from my workflow frustrations:

  • Drag and drop because I didn't want to click through file dialogs
  • Archive support because reports arrive as .zip or .gz files
  • Report storage sidebar because I wanted to compare reports over time
  • 100% local processing because email security data shouldn't leave my machine

Privacy First

Everything happens locally on your Mac. No data is ever collected, stored, or transmitted anywhere. I built this for myself first—I wouldn't use an app that uploaded my domain's email data to some random server.

Who It's For

If you're like me—someone who:

  • Manages email for your own domains or clients
  • Wants to actually understand your DMARC reports
  • Values privacy and local-first software

Then DMARC Report Reader might save you the same headaches it saved me.

Available on the Mac App Store for £4.99. Family Sharing supported, no subscription required.

Download on the Mac App Store →