Filing a reinclusion request

blog post by Matt Cutts
Hmm. Everybody wants to hear about SEO-ish stuff instead of gadgets. I’ll still subject you to pure geekery now and then, but let’s tackle how to do a reinclusion request.

First off, what’s a reinclusion request and why would you want to do one? If you’ve been experimenting with SEO, or you employ as SEO company that might be doing things outside Google’s guidelines, and your site has taken a precipitous drop recently, you may have a spam penalty. A reinclusion request asks Google to remove any potential spam penalty.

more: http://www.mattcutts.com/blog/reinclusion-request-howto/