To optimize Gmail delivery:
Authentication Requirements:
Implement SPF, DKIM, and DMARC
Set up BIMI for brand verification
Monitor authentication alignment
Reputation Monitoring:
Create a Google Postmaster Tools account
Track domain reputation metrics
Monitor spam complaint rates
Engagement Optimization:
Focus on engaged subscribers
Remove inactive recipients (6+ months)
Implement sunset policies
Use engagement-based segmentation
Best Practices:
Use consistent sending domains
Maintain clear sender identification
Process unsubscribes promptly
Monitor feedback loops
