On Wed, Jan 14, 2004 at 05:26:40 +0000, John Ruttenberg wrote: > I sent this to Habeas Technical Support. But I think I'll get a better > response on this mailing list. This seems like an obvious idea. There must > be something wrong with it. But what? > > Here is a technical suggestion. I think your business plan works by using > legal action against violators of your copyrighted haiku. But it is > technically easy for spammers to include the habeas watermark and hard for > you to find and prosecute them. The recent flood of habeas marked drug > spam is an example of this. > > Why not change the equation in your favor? You can act as a clearing > house for public/private key paris. When people sign up with you and get > a license, they also get a private key for use in signing their email. > You make the corresponding public keys available over the network. > Antispam software verifies the signatures against the keys you provide. > If you find a key is abused you not only go after the abuser legally, but > also withdraw the public key from your database so signatures made with > the corresponding private key can no longer be verified. > > There it is. Pretty easy to implement and I think it will add value to > your business plan by making your certification more trustworthy in the > short run as well as the long run.
this sounds like a heavily commercialized version of pgp/gpg. It would be just as easy to adapt MTAs to filter spam based on pgp keys (i'm not suggesting we do). John, if I have lost something in transit, and got the wrong tree altogether, I apologise :) -- Mat Harris
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