Already have that idea, Is very nice.. On the channel of my country i put the +m flag and voice all users with the ip of my country and other with strange ip's must response to a question.. Only ppl from my contry know the response.. Like that the users know what the voiced users are not bots.. Usualy the ppl what join to spam have foreign ip or have a masked ip(i live on undernet and there exist the +x flag what hide the real ip with somthink like some.users.undernet.org).. And like the spam decrease for a few times.. And the lame spam-chat-bots don't have voice.. And the users don't msg it..
I also have a suggestion for the ircd and the mIRC.. On connect to a irc-server is showen a image.. Only a human can read what there is writed.. Thats is many times used to prevent the bot web registration..
