⚠️ High Priority
SendGrid DMARC Failing: Fix Policy Alignment
Your SendGrid DMARC policy is failing
Fix within 24 hours.
Check SendGrid DMARC:
1
Use DMARC record checker
2
Verify SendGrid SPF/DKIM alignment
3
Check DMARC policy setting
What Could Be Causing This?
DMARC Policy Too Strict for SendGrid
Most CommonInboxEagle Detects This ✓
DMARC policy misaligned with SendGrid settings.
How to confirm:
Check DMARC record and SendGrid domain settings.
Fix Playbook
Step 1: Set DMARC Policy to Monitor First
HoursImpact: High
- Edit DMARC to p=none
- Monitor for 1-2 weeks
- Verify SendGrid alignment is complete
- Move to p=quarantine, then p=reject
SendGrid-Specific Note:
SendGrid recommends starting with DMARC monitoring.
Prevention Checklist
- Monitor DMARC aggregate reports weekly
Free Diagnostic Tools
Stop Fixing Deliverability Issues Reactively
The problem you just fixed probably cost you 20-30% of revenue while it was happening. InboxEagle would have detected it within 2 minutes and alerted you before placement dropped.
Real-time monitoring, AI diagnosis, and 24/7 alerts for every reputation change.
Start 14-Day Free Trial — No Card NeededFrequently Asked Questions
Does SendGrid align with DMARC?
Yes, SendGrid fully supports DMARC alignment when using authenticated sending domains.