Inexact term that may refer to double-opt-in subscription processes or may refer to email addresses which do not hard bounce back a welcome message. Ask anyone using this term to define it more clearly.
3 Quick And Easy Ways To Build A Profitable Opt-In List
You finally realize that you need a good opt-in list. After reading countless articles and sought expert advices and have read many success stories of people creating a small fortune with opt-in lists you finally decide to have one of your own.
