Email List Scrubbing: The Engagement-Layer Guide to Thresholds, Re-Engagement & Sunset Flows
Your list might show 18,000 subscribers. Your ESP is billing you for all 18,000. But if 5,000 of those contacts have not clicked anything you have sent in the past six months, they are not subscribers in any meaningful sense. They are weight. They lower your average engagement, inflate your costs, and signal to inbox … Read more