Free Usage

Use of service is limited to the requirements of the Spamassassin inclusion policy. As such it is free to use for individuals, small businesses, non-profits and other organisations that scan less that 100,000 messages per day. Users Exceeding this limit may have access restricted. Heavy users or supporters of the project are encouraged to purchase our paid for service.

Sponsored Usage

For large organisations and service providers we ask for a donation to help with the upkeep and running of the service. As service providers we're sure you understand the costs and efforts involved.

Subscription Usage

Subscription service includes unlimited access to services and your IP address ranges will be whitelisted in our ACL. The subscription service also allows access to a range of our DNS zone files for running local copies of the blacklist.

Terms and Conditions ("Terms")

By using the services you hereby accept to the following plain language agreement. If you do not agree to all of the terms and conditions of this agreement then you are not authorised to use this service and it is your responsibility to stop usage of the services


  1. Pay the subscription fee, don't use for free if you don't qualify for the Free Usage conditions.