Re: The require-valid-helo test
Julian Mehnle <[email protected]>
| Newsgroups | gmane.mail.spam.spf.devel |
|---|---|
| Message-ID | <[email protected]> |
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Stuart D. Gathman wrote:
> BTW, a:%{h} is never a syntax error for a valid HELO FQDN. (A literal
> IP is not a FQDN.)
"a:%{h}" is _never_ a syntax error, because it is valid syntax according to
the RFC 4408 grammar. To what value the %{h} expands is completely
irrelevant as far as RFC 4408 is concerned.
Yes, this may very well be considered a design flaw in SPFv1, but that's
how things are. There is no macro string expansion result validation in
SPFv1.
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