If you only want to use the new scheme:
v=spf1 domainsig=always +all
Was this supposed to be -all?
Err, yes. Thanks for spotting the deliberate mistake (blush).
If not, I think I'm unclear on something.
The part we are missing is the extension model for the
modifiers. At the
moment we have a registry type approach. I think that will
probably be
sufficient. It worked on UUCP for years until they got to
thousands of
hosts. I would not anticipate more than a handful of modifiers.
I disagree on this point.
The alternative would be to introduce a syntax for extended modifiers,
similar to the XML extension mechanism:
v=spf1 spfns.new=http://tempuri.org/dk new.domainsig=always +all
Yuk! (and thats after trying to make it non yuk)
How likely are collisions that hurt?
The SPF result should not be changed by a modifier. However, the SPF
result should not and will never be the final word on whether
an email is rejected or accepted.
OK, that is probably a better explanation of the semantics I was trying
to express.
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