The lack of protection for such a highly successful platform like Constant Contact makes no sense to me. I can't afford machine attacks or having to maunually deleting hundreds of arronous contacts. Also the opt in is not an option as it will put the burdon of checking for a real human onto the potential contact which will dramaticly reduce the number of legitmate contact submission. There is no research required, just add the captcha option to the form creation tools. Constant Contact needs to fix this!
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