Re: pyspf changes

Julian Mehnle <[email protected]>
Newsgroups gmane.mail.spam.spf.devel
Message-ID <[email protected]>
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Stuart D. Gathman wrote:
> This is pyspf specific.
>
> In addition to making get_header() RFC4408 compliant :-}, I have
> provided for adding additional x-name=val pairs to the header.
>
> Typical usage is like this:
>
>     gres = 'pass'
>     hres = 'neutral'
>     self.add_header('Received-SPF',q.get_header(
> 	q.result,receiver,bestguess=gres,helo_spf=hres),0)
>
> For the custom keys, 'x-' is prepended and '_' becomes '-'.  So
> bestguess becomes 'x-bestguess=pass' and helo_spf becomes
> 'x-helo-spf=neutral'.
>
> Is that good?  Should I not force the custom keys to have 'x-'?

Yes, I think this is good.  If new keys get defined, it should be up to the 
SPF implementation (pyspf) -- not the caller! -- to give specific inter- 
faces to them.  If the caller adds custom keys that aren't known by the 
implementation, those should receive an "x-" prefix.

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