9.3.3 - SPF record checks
john.horne at plymouth.ac.uk
Thu May 30 22:37:50 UTC 2013
On Fri, 2013-05-31 at 06:53 +1000, Mark Andrews wrote:
> In message <1369923655.1952.6.camel at jhorne.config>, John Horne writes:
> > Hello,
> > I noticed in the 9.3.3 announcement the following new SPF check:
> > Adds a new configuration option, "check-spf"; valid values are
> > "warn" (default) and "ignore". When set to "warn", checks SPF
> > and TXT records in spf format, warning if either resource record
> > type occurs without a corresponding record of the other resource
> > record type. [RT #33355]
> > I'm a bit curious about this because I thought that the SPF record type
> > was being deprecated - section 3.1 of
> > http://datatracker.ietf.org/doc/draft-ietf-spfbis-4408bis/?include_text=1
> > If it is being deprecated, then checking for an SPF record and finding
> > no corresponding TXT record makes sense, but finding a TXT record and
> > warning that there is no SPF record would seem a little pointless.
> The draft has *not* been ietf last called.
Yup, I realise that this is just a draft and that things may well
> If the use of SPF for SPF is deprecated we will adjust the warning
> but that has not happened yet.
> Current SPF libraries ask for SPF first then TXT so having a SPF
> record reduces the query load.
I did not know that. Okay, so there is sense in adding the DNS SPF RR to
a zone then.
John Horne, Plymouth University, UK
Tel: +44 (0)1752 587287 Fax: +44 (0)1752 587001
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