Iljitsch van Beijnum wrote:
...
About the "charging for email" thing: this doesn't have to be actual
money. Doing it with some kind of cryptographic token that is passed
from sender to recipient should work just as well in making
sure people
can't send many orders of magnitude more email than they receive, and
this wouldn't have many of the adverse effects of using money
for this.
Rather than passing a token, require the mail to be encrypted with the
public key of the recipient. This would do two things, make it expensive
to send mass random mailings, and provide an incentive for the ISPs to
actually deploy a PKI.
Mabye a BOF would be in order in Vienna?
A better idea than leaving the problem to languish as a research topic.
Tony