How to use email list hygiene to improve engagement, sales, and deliverability Email marketing is still one of the highest-ROI tools a business can use – but only if your email list is clean, active, and filled with people who actually want to hear from you. Over time, though, even the best email lists get cluttered. Contacts go inactive, subscribers change jobs, spam traps find their way in, and engagement drops in ways that can hurt your sender reputation. That’s where email list hygiene comes in. Think of it like regular maintenance: the same way you clean out your closet […]