I think this falls under the "e-postage" variant of the Final Ultimate Solution to the Spam Problem (FUSSP). https://www.rhyolite.com/anti-spam/you-might-be.ht

I think this falls under the "e-postage" variant of the Final Ultimate Solution to the Spam Problem (FUSSP). https://www.rhyolite.com/anti-spam/you-might-be.html https://www.rhyolite.com/anti-spam/you-might-be.html