Re: [Fwd: FW: Hashcash in mail (was: New Whitepaper: Anti Brute Force Resource Metering)]

Eric S. Johansson wrote:
> A friend sent me this today.  Peter is right of course but I believe 
> it's possible to solve the problem without too much ugliness.  I am 
> beginning to think again about a solution to this problem.  Which is the 
> ever popular put something into DNS txt record such as:
> 
>    IN  TXT "hcrv 0; hcsv 1;bits 30; vwin 5d"
> 
> where
> hcrv  = hash cash record version number for this record
> hcsv = hash cash stamp version
> bits = stamp bit size required;
> vwin = validity window for stamp (may or may not want to reveal)
> 
> and if you're sending, check your own domain name record to make sure 
> you set the right values.
> 
> if information is not valid or present, use your own settings as defaults.
> 
> yes?? no??

If you want to put this info in DNS, then register an RR type for it, 
rather than reusing the TXT record.

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