How do I prevent spam on my blog?

[therealdeal]

Aside from using Simple Spam Blocker and the famous Akismet, how do I prevent it from my blog? I fear it will lower my blog's rating if it comes in bunches. How about you webmasters? How have you handled blog spam?

Defier,
I have seen a tutorial where we can reduce spam in blogs.. You can visit this website.It contains A Comprehensive Guide to Protecting Your Blog from Spam
Here is the link below
http://ajaydsouza.com/archives/2006/...log-from-spam/

Let me know if you face any problems..