New registers need to submit email and there needs to be a random data field that needs to be filled out, I have seen some as simple as name your hobby. Once app comes thru you can look it over and send an email with a link to finish registering.
Then to safeguard, put in a scramble filter at each log in
Time to get serious. We're talking bored 30 over with an oversize cam with a pro charger and 4-link
Client side javascript check box with a note why it is there, and a backup way to register in case someone is using a text browser or something. Should have been done ages ago.
