SpamFighter

If you're looking for a powerful spam filtering tool to help you combat unsolicited messages, you should definitely give SpamFighter a try. As a Python module, it incorporates a range of filtering methods, including rule-based filtering, trained models, black-lists, frequency checking and more.

One of the best things about SpamFighter is that it provides an XML- and JSON-RPC API for incoming message filtering and configuration requests. This means that you can easily integrate it with other software and systems. Additionally, the module comes with a browser-based configuration tool that's lightweight and easy to use.

SpamFighter also supports plugin architecture, so you can add additional functionality as required. And with a range of helpful examples and other resources, it's easy to get started with this powerful spam filtering tool.

However, it's worth noting that there isn't currently much documentation available in English. Nonetheless, with its range of filtering capabilities and support for integration, SpamFighter is a great choice for anyone looking to combat spam and other unwanted messages.