Re: stamp creation std. deviation

Jean-Luc Cooke <[email protected]> Fri, 13 Aug 2004 09:55:08 -0400
Newsgroups gmane.mail.spam.hashcash,gmane.mail.spam.camram
Message-ID <[email protected]>
If I'm a business user and I send an email to 10 people (I send emails to 6
people several times a day) I don't want to wait 1.5mins to send my mail.

Just keep that in mind.

JLC

On Fri, Aug 13, 2004 at 09:56:59AM -0400, Eric S. Johansson wrote:
> Jean-Luc Cooke wrote:
> 
> >This policy I'd personally like to see it as "hashcash recomands X bits, 
> >but
> >it is up to the mail-server/procmail user to decide how to filter mail".
> >
> >Reasons:
> > 1) Mailing lists like linux-kernel may find ti too expensive to compute
> > hashcash values for 3,000 emails 400 times a day.
> > 2) lots of others
> 
> I wish people would get off of the mailing list issue.  It's not even a 
> dead horse for people to beat anymore, its fragments of skeleton's.
> 
> It's generally understood that mailing lists can't afford to generate 
> stamps.  No problem.  The camram project has proposed but not been able 
> to experiment with an alternative stamp/peer to peer identification 
> system using asymmetrical key systems.
> 
> As for leading servers decide how to filter etc. etc. for difference 
> postage rates, I think that's potentially a very bad idea.  how do you 
> propose to handle postage deltas?  I'm sending out a postage due notice 
> and putting responsibility back on the sender.  If you plan on doing the 
> same thing, we should have an agreed-upon standard mechanism for 
> communicating what postage is required as well as that the postage due 
> notice is in response to a real message.  We should also have a 
> mechanism for allowing non hashcash enabled users to generate postage.
> 
> My fundamental philosophy in all of this is to minimize what the user 
> sees because spam filtering is not their goal in life.  It's something 
> they do because they have to like filling the gas tank in the car or 
> checking the oil.  These are not fun things.  These are not activities 
> people live for.  They're just dumb things you gotta do.  therefore, you 
> make them as innocuous and as minimal as you possibly can.
> 
> so let's figure out ways to automate this process as much as possible 
> and win on the anti-spam front not just from higher effectiveness but 
> from higher usability.  If you don't believe you can make an interest 
> and interface drop dead easy-to-use, take a look at the camram interfaces.
> 
> >Also, 25bits is very high IMHO.
> 
> not really.  We are looking for 15 to 30 seconds stamps to start.  This 
> puts a serious cramp in the profit model of a spammer.  If you adopt the 
> camram model of stamp generation (i.e. stamps required when 
> communicating with people you don't know) then the average load drop 
> significantly and higher bit value stamps are much more practical.
> 
> ---eric
> 
> 
> -- 
> Speech recognition in use.  It makes mistakes, I correct most