Follow these key best practices to maintain a strong sending reputation:
Authentication:
Verify domain configuration
Implement SPF, DKIM, and DMARC
Regularly audit DNS records
List Management:
Remove inactive subscribers (6+ months)
Process bounces promptly
Honor unsubscribe requests immediately
Consider double opt-in for new subscribers
Sending Patterns:
Maintain consistent daily volumes
Avoid sudden volume spikes
Distribute large campaigns over time
Balance HTML and text content
Content Guidelines:
Include clear unsubscribe mechanisms
Write clear, non-promotional subject lines
Maintain appropriate image-to-text ratios
Include required physical address
