The Free Data Query Service

Spamhaus Technology provides the public with free threat intelligence on behalf of The Spamhaus Project.  This enables small-scale users to safely filter their email at no cost.

Usage Terms

If you are a non-commercial entity or a small business with low query volumes, you may qualify for a Data Query Service account with no subscription costs.

The terms related to this service are the same as those for The Spamhaus Project’s Free Public Mirrors.

Purpose-built plug-ins available

For users of SpamAssassin and Rspamd,  purpose-built plug-ins are available on GitHub to maximize catch rates when using our Data Query Service:

What blocklists are included?

You get FREE access to our IP and Domain DNS Blocklists (DNSBLs).

Are you currently using the Public Mirrors and getting error codes?

If you have been using the Spamhaus Project’s Public Mirrors and are currently receiving an error code, please ensure you action one of the following points BEFORE applying. Otherwise, our registration email may not reach you.

  1. Correctly configure your MTA to accept error codes with these config guides for commonly used MTAs, or
  2. Remove the blocklist configuration from your MTA.

How to apply

Simply complete the form below.

Please enter your details:

To start trial please log into your Customer Portal Account here.