Purpose & Principles of List Hygiene

The art of "scraping the barnacles" off your list. List hygiene is the ongoing process of removing "dead weight" (invalid addresses, complainers, inactive users) to keep your list fast, healthy, and welcome in every port. A clean list is a deliverable list.

12 questions in this topic

What is email list hygiene? Why does list hygiene matter for deliverability? How often should you clean a list? What’s the difference between validation, verification, and cleaning? What’s the difference between proactive hygiene and reactive fixes? How do you measure list quality? What are the risks of ignoring hygiene? How do ISPs detect poor hygiene? What are “silent” hygiene issues (engagement decay, stale data)? What’s the ROI of maintaining a clean list? How do hygiene issues affect sender reputation? What’s the impact of hygiene on open and click rates?

Questions about Purpose & Principles of List Hygiene