Double Opt-In vs Single Opt-In: Which Grows Your List Faster, and What Actually Protects It
Every guide to double opt-in vs single opt-in repeats the same two claims: single opt-in grows your list faster, and double opt-in protects it better. The first claim holds up. The second one doesn’t, at least not the way people usually argue it. Ask what double opt-in actually protects you against, and most articles point … Read more