We use a registration system to do voting. A valid email is required (and verified) before they vote. This keeps the voting as honest as possible and still requires a valid email (so yes, you could use multiple email addresses, but that still requires the voter to have multiples - oh and good for marketing since they opt in!)
Jim H >for the most part, it can't be done. > >If you use cookies to restrict, people can delete their cookies. >If you restrict by IP address, people can go to another computer, and >multiple people can't vote from the same computer. >If you require authentication, people create multiple accounts > >Now... if you charged $10 a vote... I suspect that few if any people >would vote twice =) Unless getting their way was worth the money! > >restricting voting to "once per registered user" is really the best >way, providing your account registration system requires email >confirmation of accounts and you don't mind forcing people to register >in order to vote. People can still vote more than once by creating >multiple accounts with unique email addresses... but you can only >build the wall so high - someone with enough time and interest will >vote more than once if it's worthwhile to them. > >Rick ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Create Web Applications With ColdFusion MX7 & Flex 2. Build powerful, scalable RIAs. Free Trial http://www.adobe.com/products/coldfusion/flex2/?sdid=RVJS Archive: http://www.houseoffusion.com/groups/CF-Talk/message.cfm/messageid:279015 Subscription: http://www.houseoffusion.com/groups/CF-Talk/subscribe.cfm Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=11502.10531.4
