Re: Hashcash-generation/check for IDN-domains

[asjo@koldfront.dk (Adam Sjøgren)]

On Wed, 28 Sep 2005 11:40:46 +0200, Simon wrote:

> I wrote the code...  I think Arne is correct, the question was added
> to avoid IDN-encoding of non-ASCII typos.  But interaction is bad.

Ah, okay.

[...]
>> I think it sounds reasonable that if hashcash.el fails to generate
>> a payment, the header should not be added?

> But it can still generate a payment, but it would not be to the
> IDN-encoded address.  It would contain non-ASCII as in the posted
> example.  I'm not sure whether sending that weird header out or
> removing it is the best choice.  I'm leaning towards removing the
> header of IDN-encoding fails.

I was imprecise; I agree.

>> The checking does seem a little too fragile though, in that spam-split
>> breaks just because hashcash.el can't understand a Hashcash-header
>> (i.e. the mail-check-payment should just return false when the header
>> is not understandable, right? Instead of the error that makes nnmail
>> think that my fancy-split configuration is invalid).

> What error is that?  Does it say "Unknown hashcash format version"?
> Perhaps the call to hashcash.el should be made in a condition-case.

That is where it failed, in hashcash-version, when I got the message
about error in nnmail-split-methods.

It's easy to recreate, just put the email in a buffer and run
mail-check-payment: "Unknown hashcash format version".


  Best regards,

     Adam

-- 
 "Ett, två, tre, pang på rödbetan."                           Adam Sjøgren
                                                         asjo@koldfront.dk