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⚠️ High Priority

Mailgun DMARC Failing: Fix Policy Configuration

Your Mailgun DMARC policy is failing

Fix within 24 hours.

Check Mailgun DMARC:

1

Use DMARC record checker

2

Verify Mailgun domain authentication

3

Check DMARC policy

What Could Be Causing This?

DMARC Policy Misaligned with Mailgun

Most Common
InboxEagle Detects This ✓

DMARC policy mismatch with Mailgun infrastructure.

How to confirm:

Check DMARC record status.

Fix Playbook

Step 1: Configure DMARC for Mailgun

HoursImpact: High
  1. Set DMARC to p=none initially
  2. Monitor Mailgun authentication
  3. Move to p=quarantine when aligned
  4. Transition to p=reject

Mailgun-Specific Note:

Mailgun recommends phased DMARC enforcement.

Prevention Checklist

  • Monitor DMARC reports weekly

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Frequently Asked Questions

Does Mailgun support DMARC?
Yes, Mailgun fully supports DMARC alignment.
Free Checklist

The exact checklist used by 2,000+ email senders to diagnose and fix inbox placement issues — free.

  • Authentication setup (SPF, DKIM, DMARC)
  • Sender reputation signals to monitor
  • List hygiene benchmarks
  • Content & engagement red flags

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