I think the words over at WordPress-MU faq page should be changed, right?
Quote:
"Can I use Akismet spam protection?
Of course. The latest version of Akismet allows you to hardcode a key into the plugin file and you can put that into your mu-plugins directory to auto-enable it for all your users."
I see the recommendation, but still!
I think Matt wrote:
"If you hard-code an API key for all your blogs the system will flag you and unless you already had permission from me you'll be permanently blocked."