Blacklist Basics: The Top Email Blacklists You Need to Know
With over 300 publicly available blacklists, it's no wonder good senders keep close eyes on their IP and domain activity. Public blacklists are created by large, trustworthy companies, as well as small, independent networks. Since anyone can create a blacklist, they don't all have the same impact on deliverability. Mailbox providers and filtering companies do...
