Advance-authorized list of email addresses, held by an ISP, subscriber or other email service provider, which allows email messages to be delivered regardless of spam filters. See also enhanced white list.
Building a Highly-targeted Opt in List: When Money Lies Beneath the Lists
Are you successful with your Internet business? Better yet, do you think you are successful with your online business? When most online entrepreneurs are asked with these questions, they often brush it off.
