) is a free anti-blog-spam service, effectively blocking 93% of all comment spam, trackback spam and pingback spam.
The Akismet .Net 2.0 API encapsulates this service and provides an easy to use .Net 2.0 API.
The API also allows you to SubmitSpam (spam that has passed through their checks can be added to their DB). You can also SubmitHam (if for some reason you get legit comments that has been marked as spam)Additional Info
Author: Joel Thoms
HomePage: http://joel.netScreenshotsCode Sample