Spam Filtering for ASP.NET

Question

Does anyone come across an elegant and efficient .NET filtering filter that can be used in ASP.NET applications? I want something that I can pass a string and returns me a percentage of how likely it could be spam, is there such a thing?

Answer 1

Akismet is excellent.

This provides the .NET API to Akismet: http://www.codeplex.com/AkismetApi