Kicks regular users for posting emails...we covered the main email providers we could think of, if you know of more please let me know and I'll add it. To set the channels set yourself as bot owner and then type !emailkicker and then the channels you would like it'll add more then one if you wish. Enjoy, any questions just drop me an email.
Updated to include more email providers
Couple things:
Here is what I changed (untested):
Just simplified your code. Made it set the users address instead of nick, made all those if ($nick isetc) into one if and removed the timer and made it ban -ku600. Nice idea, and pretty useful against spammers.