('binary' encoding is not supported, stored as-is)
These forms, like tell-a-friend are tremendously useful for a business. They allow two or more parties to notify each other of the company's products.
The preferred answer (from my point of view) is that several email throttle techniques be recommended/required: only permit a few emails within a time span of five or ten minutes. If a site normally only sees one or two consumer uses of this form per hour, suddenly having 300 emails is a sure indicator that they are being exploited. A limit of 10 emails / 5 minutes and a limit of 20 / hour are reasonable.
Also, the form should require some sort of CAPTCHA as well as an MD5 sig that the server provides regularly to insure that a kiddie script replay attack is not being used.
Mike
www.sharecube.com
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Received on Jan 19 2006
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