A legitimate message mistakenly rejected or filtered as spam, either by an ISP or a recipient’s anti-spam program. The more stringent an anti-spam program, the higher the false-positive rate.

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.

