Do take a look at my service - <a href="http:&#x2F;&#x2F;blogspam.net&#x2F;" rel="nofollow">http:&#x2F;&#x2F;blogspam.net&#x2F;</a><p>It is designed for realtime testing of blog-comments as spam&#x2F;ham.  There are a lot of options, and it has been in use for a couple of years.