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, you can find out if you're on any of the blacklists most relevant to Ireland.

What is an IP address?

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...

About IE Internet

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

Q. Who do I contact if my IP address has been wrongly blacklisted?

A. Generally the quickest way of being removed from a listing is to contact the organisation behind the blacklist directly. Since each blacklisting service has its own procedures for adding and removing IPs, all complaints should be sent to the blacklisting service and/or the domain that is blocking your mail. Please visit the blacklisting services' website for more information. Some of the major organisations in question can be found below.

You can also get a different IP address assigned to you. This requires contacting your ISP (whoever provides your internet connection) and asking them to assign you with another IP address.


Major Anti-Spam Blacklist Organisations 

The Spam Haus Project







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