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⚠️ High Priority

Mailgun High Bounce Rate: Clean Your List

Your Mailgun bounce rate is above 3%

Fix within 48 hours.

Check Mailgun bounce metrics:

1

In Mailgun Logs, review bounces

2

Identify invalid addresses

3

Check list quality

What Could Be Causing This?

Mailgun List Quality Issue

Most Common
InboxEagle Detects This ✓

Invalid addresses cause bounces.

How to confirm:

Check Mailgun Logs.

Fix Playbook

Step 1: Remove Invalid Addresses

HoursImpact: High
  1. Review Mailgun logs for bounce patterns
  2. Remove invalid addresses
  3. Validate future lists

Mailgun-Specific Note:

Mailgun logs show detailed bounce information.

Prevention Checklist

  • Validate emails before importing

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Frequently Asked Questions

How do I see bounce details in Mailgun?
Check Mailgun Logs for detailed bounce event information.
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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