You can contact them via this form if you were subject to invalid clicks; I would also recommend that you install a script to monitor such activity.
I wonder if that email address would actually work. I think he was looking to get in contact with the Google adsense team directly.
If you would like to send an e-mail directly, the correct address would be 'adsense-support[@]google.com' actually.
Define clicks. One page view and one click, or 1,000,000 pageviews and 1,000,000 clicks!!! If it's close to a measly one pageview and one click, it's more like a *yawn*!!!!
you can contact them from your adsense panel but if your impression is not too much (like 10 impression and 10 clicks), it's not a problem for google