List Segmentation: Segment your email list based on demographics, purchase history, and engagement levels to send highly targeted emails. Personalization: Use personalized subject lines and content to make your emails more relevant to each recipient. A/B Testing: Test different subject lines, content, and send times to identify what resonates best with your audience. Optimize for Mobile: Ensure your emails are mobile-friendly as a significant portion of users check their emails on mobile devices. Maintain Clean Lists: Regularly clean your email list by removing inactive subscribers to improve deliverability rates.