On Tue, May 01, 2001 at 05:35:27PM -0400, Travis Bemann wrote: > On Tue, May 01, 2001 at 09:37:06AM -0500, Scott G. Miller wrote: > > On Tue, May 01, 2001 at 12:07:34AM -0500, Brandon wrote: > > > > > > > Reminds me of SecureCard, the credit card sized random number generator > > > > synchronized with a login password challenge. Could use Think Cash to > > > > seed it so that you don't have to solve a puzzle every email. > > > > > > But then it wouldn't stop mechanical spam. > > Yes it would, mixing (1) and (2) would limit it, since solving a puzzle > > allows a computer device to generate keys, but you only actually check a > > limited number of them for each puzzle. If you allow only ten emails per > > puzzle, then you can only be spammed mechanically ten times before a human > > has to once again be involved. > > > > Yeah, but people don't like being forced to solve puzzles to send > email. And they really don't like to be spammed. Really, even from an information theory perspective, either giving the sender a piece of information that allows them to send you one email, or having an operation that only a human can do is the only way to prevent mechanical spamming. So get over it.
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