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Re: avoiding anonymous emails
On 4/12/06, Steve Crook <steve@xxxxxxxxxxxxxxxx> wrote:
> On Wed, Apr 12, 2006 at 08:11:34PM -0400, Nick Mathewson wrote:
> > Also, is it really a good idea to have a big list of everybody who
> > doesn't want anonymous email? It seems like a spam/abuse target.
> > What do mixmaster operators do for cases like this?
> In general nothing. Mixmaster operators each manage their own block
> list and don't communicate it to other ops.
Perhaps it would be useful to have a list which is distributed as a
cryptographic hash of the blocked username.. Mixmaster exit operators
could publish a list of hashes they won't deliver to, and a list of
hashes whom they have personally confirmed as not wanting mail.
Operators could examine the list of confirmed hashes, and add hashes
to block based on the number of confirmed independent/trusted sources
being over a threshold.
I.e. if you don't want mixmaster sourced mail you email any three from
a list of server operators and then all other participants block too.