Follow these key best practices to maintain a strong sending reputation:

1. Authentication:

• Verify domain configuration

• Implement SPF, DKIM, and DMARC

• Regularly audit DNS records
  
  

2. List Management:

• Remove inactive subscribers (6+ months)

• Process bounces promptly

• Honor unsubscribe requests immediately

• Consider double opt-in for new subscribers
  
  

3. Sending Patterns:

• Maintain consistent daily volumes

• Avoid sudden volume spikes

• Distribute large campaigns over time

• Balance HTML and text content
  
  

4. Content Guidelines:

• Include clear unsubscribe mechanisms

• Write clear, non-promotional subject lines

• Maintain appropriate image-to-text ratios

• Include required physical address