A software tool that categorizes, sorts or blocks incoming email, based either on the sender, the email header or message content. Filters may be applied at the recipient’s level, at the email client, the ISP or a combination.
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.