IP Blacklist Check – Is My IP Blacklisted? – IP Blacklist Lookup

Written by Julia G

The word ‘Blacklist’ makes the email marketer’s hair curl. But you know what they say: his bark is worse than his bite. After reading this article, you will understand how blacklists work, how to check IP blacklists, and what to do if your IP is on the list. What is an IP Blacklist?

A blacklist is a real-time database of IP addresses or domains that have been known to send spam or malicious content. Many Internet Service Providers and mailbox providers consult the blacklist databases in order to filter emails sent to the users within their network.