Blacklist.ie is a free service to check if your IP address is blacklisted, a common cause of email delivery issues. Only a small number of blacklists affect your email delivery. With blacklist.ie, you can find out if you're on any of the blacklists most relevant to Ireland.

An IP address (Internet Protocol address) is a unique address that computers and other devices use in order to identify and communicate with each other on a computer network. An IP address simply identifies a specific computer on a network. More FAQs...

IE Internet.com is a leading Irish technology company that provides managed email and application hosting services for business. Blacklist.ie is a service we have developed with the needs of our customers in mind.