spf-discuss
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Re: Extensibility and Accreditation

2004-01-23 18:13:54
On Thu, Jan 22, 2004 at 08:25:17PM -0500, Meng Weng Wong wrote:

| On Thu, Jan 22, 2004 at 06:32:34PM -0600, Phil Howard wrote:
| | 
| | So why does the accreditation information need to be in the SPF string?
| | Why not add it to SMTP or RFC822 or even fudge it in the address itself.
| | 
| | But as long as the accreditation _can_ simply be ignored without having
| | to take the abort default in SPF, I guess it won't really hurt if it is
| | present.  But that shouldn't be that much data.  A domain name is all
| | you need.  If you're going to ask your reputation source, that can include
| | the rest of the accreditation access data (like what URL to use).
| 
| Yes, accreditation data can always be ignored.  That's why it's
| implemented as a modifier, using =.  Unknown modifiers may be ignored by
| SPF parsers.  The only two required modifiers are exp and redirect.

Or minimal parsers can elect to not (initially) implement them?

-- 
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| Phil Howard KA9WGN       | http://linuxhomepage.com/      http://ham.org/ |
| (first name) at ipal.net | http://phil.ipal.org/   http://ka9wgn.ham.org/ |
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