Re: A Trial Balloon to Ban Email?

On Tue, May 13, 2003 at 07:23:23AM -0500, Nathan Neulinger wrote:

I believe the usual approach to this is to have it be a asymmetrictry hard problem - i.e. factor some primes to do the work (hard), multiply them to validate answer (easy).

Okay, so it was me being stupid. :-) Thanks both. -- Paul