[cap-talk] can one use capabilities to stop spam without identity?

[John Carlson]

On Jan 21, 2007, at 3:12 AM, John Carlson wrote:

>
> On Jan 20, 2007, at 1:39 PM, Mark S. Miller wrote:
>
>> Patroklos Argyroudis wrote:
>>> On Sat, Jan 20, 2007 at 09:42:26PM +0100, Matej Kosik wrote:
>>>> is (I believe) the only reasonable solution that might work. It is
>>>> possible to enforce such an security policy where you charge
>>>> senders for
>>>> sending you a mail certain amount of money. You then review/read
>>>> your
>>>> mails and money connected with non-spam-mail is returned back to  
>>>> the
>>>> senders. This of course does not prevent unsolicited mail
>>>> (because you
>>>> do not want to prevent it) but you are compensated with appropriate
>>>> amount of money. How much you will charge for a mail (you might  
>>>> even
>>>> discriminate among people you already know) is up to you.
>
>
> How about this?  If Carol wants to  communicate with Bob, Carol finds
> Bob's identity
> on a server somewhere, and sends Bob a "write to Carol" capability.

Not directly, but through the server.

John