Email signatures and permissions

This is one of the most brilliant ideas I heard for some time:Marqui's world: This e-Mail Is... [x] Bloggable

Nice and simple. Just add something like

--

[x] blogable [ ] ask first []private

--

to your signature and make it easy for others to know the "license" each of your emails is distributed under. Something like a Creative Commons License per e-mail!

I want a Thunderbird plugin with Creative Commons signatures automation!