Interesting thoughts on how spam detection would work in such a system: https://moderncrypto.org/mail-archive/messaging/2014/000780.html https://moderncrypto.or

Interesting thoughts on how spam detection would work in such a system: https://moderncrypto.org/mail-archive/messaging/2014/000780.html https://moderncrypto.org/mail-archive/messaging/2014/000780.....