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> 1.: Theres an email on the buttom. ;)

I saw this, but if it was to for some reason to get even remotely popular or abused, this would not scale.

> 2.: I thought of it, but that would make everything more complicated. So, no, not for now.

Sure, but it also allows for the right to delete content, etc. I don't think it has to be complicated.

> 3.: In the new beta is an temp secret word. Not the best captcha, but yeah, it works. And I think about a localhost entry if the user made a website before. May in mix with the edit function. If someone would spam, they will do, no matter if I save the IP or did hundred checks. Thats the net. :)

I don't think it needs to be fool-proof, just add enough resistance that it's not worth it. It is just 1kB after all, if the barrier is significant enough people just won't bother.