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Kurt Andersen wrote:
Agilent Technologies has a large number of domains (gTLDs and ccTLDs)
and subdomains which we have just published SPF records for. In doing
so, we utilized the "rooted" format:
agilent.com. TXT "v=spf1 redirect=%{d}.d.spf.agilent.com."
This is causing problems with Scott's validation tool, but not with
the tool on DNSStuff or with the Mail::SPF::Query package.
Scott wrote to me:
The way I read the ABNF in the spec:
http://new.openspf.org/blobs/draft-schlitt-spf-classic-02.html#anchor42
domain-end = ( "." toplabel ) / macro-expand
toplabel = ALPHA / ALPHA *[ alphanum / "-" ] alphanum ; LDH rule (See
[RFC3696])
the spec doesn't allow for the dot on the end.
Is this an intended departure from standard DNS syntax explained in
RFC 1034 section 3.1??
It sure is a departure from RFC 1034, and I'm pretty sure that _someone_
here intended it when the spec was written. Personally, I don't see the
point (no pun intended), just like I don't see the point in forbidding
TLDs from beginning with digits just because there are currently no
ICANN-registered TLDs beginning with digits. But it's too late to change
the spec now.
Stuart D. Gathman wrote:
Actually, the domain MUST be a FQDN ala SMTP. In particular, relative
names are NOT allowed.
But "%{d}.d.spf.agilent.com." _is_ an FQDN, isn't it?
Scott Kitterman wrote:
Since my validation tool uses pySPF, as I see it, this is either a
M::S::Q bug or a pySPF bug.
I wouldn't hesitate for a second to put the blame for this inconsistency on
M:S:Q.
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