On Tue, 24 Jun 2008, Stephen R. van den Berg wrote:
> There's something seriously wrong with the SPF (mail) records of roxen.com.
> It causes mails coming from that domain (most notably on the
> mailinglists) to be rejected (and quite possibly can cause automatic
> unsubscription).
As far as I can see, the spf-records for roxen.com were correct according
to RFC 4408, but it seems many of the spf checkers don't implement the
full RFC.
So far I've seen issues with:
* Qualifiers, eg some spf-checkers don't know about the '?' qualifier.
* 32-bit CIDR, at least one validator has complained about /32 not
being a valid CIDR.
In this case I suspect the problem lied with the construct
a=lin-net.roxen.com/23
which is perfectly valid according to the RFC. I've now replaced it with
ip4=212.247.28.0/23
which should mean the same thing.
> Can someone contact the proper authorities at Roxen to fix this?
Done, please verify.
> --
> Sincerely,
> Stephen R. van den Berg.
--
Henrik Grubbström <grubba[at]roxen.com>
Roxen Internet Software AB
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