> 2.2 Overview of solution > Every email user has one or more identities, represented by cryptographic keys. > All email is digitally signed using the cryptog

> 2.2 Overview of solution > Every email user has one or more identities, represented by cryptographic keys. > All email is digitally signed using the cryptographic keys. > No email is delivered unless it carries a digital stamp issued by the recipient, or someone authorised to issue one on behalf of the recipient. Ahhh, yes... yet another Final Ultimate Solution to the Spam Problem (FUSSP) [0]: > The FUSSP depends on spammers or mail recipients changing their behavior without any immediate gain. > The FUSSP requires that anyone wanting to send mail obtain a certificate that will be checked by all SMTP servers. > The FUSSP involves certificates, but there is no barrier to spammers buying many independent certificates. > The FUSSP assumes that your attention is so important that strangers will pay money to send you mail. --- [0]: https://www.rhyolite.com/anti-spam/you-might-be.html https://www.rhyolite.com/anti-spam/you-might-be.html