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Re: Re: HOWTO: track SPF requests to see who says to be you

2004-12-13 01:06:10
On Mon, Dec 06, 2004 at 10:29:39AM +0100, Stephane Bortzmeyer 
<bortzmeyer(_at_)nic(_dot_)fr> wrote:
30-Nov-2004 11:30:46.685 queries: client 216.27.178.28#2663: query: 
{i}._.{h}._.{s}._.{r}.spf-tracker.generic-nic.net IN A -E

216.27.178.28 is acme.com and they make a SPF milter for sendmail
(http://www.acme.com/software/spfmilter/) which seems quite broken :-(
If such implementations become common, "exists:" could become useless.

FWIW, as someone who's played with the spfmilter a bit and maintains the
Debian package: spfmilter doesn't have its own SPF implementation, but
is linked against either libspf or libspf2 (both are supported). Unless
the problem is that spfmilter is somehow stripping out the % characters,
it's more likely that the issue is in the underlying SPF library. In
either case, though, the author is quite responsive to bugreports and
queries.

Incidentally, I am also running spfmilter (linked against libspf2), so
you may try sending a mail directly to me and looking for 64.62.249.2 in
your DNS logs if you'd like another data point.

-- 
Mike Markley <mike(_at_)markley(_dot_)org>

The word "genius" isn't applicable in football. A genius is a guy like
Norman Einstein.
- Joe Theisman


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