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From: Christopher Hill on 30 Jun 2010 08:01
We are having the same issue receving emails from IP address 195.90.97.27 for
probrand.co.uk, who also include spf.maildefender.net in their records.

Microsoft bug? Someone needs to report it!
--
Chris Hill
ICT Technician - Colchester Royal Grammar School


"Alex111" wrote:

> Thanks for your answer. Seems I have to disable SenderID for the moment....
>
> Regards,
>
> Alex
>
>
> "Rich Matheisen [MVP]" <richnews(a)rmcons.com.NOSPAM.COM> schrieb im
> Newsbeitrag news:i28vs558d9n21nqdgsqd9cdcbsg2v36vn6(a)4ax.com...
> > On Wed, 21 Apr 2010 20:34:04 +0200, "Alex" <alex(a)nospam.de> wrote:
> >
> >>Is there a bug in the sender ID or am I missing something:
> >>
> >>Why is there a failure on:
> >>
> >>Test-SenderId -IPAddress 195.90.96.17 -PurportedResponsibleDomain
> >>icomm.co.uk
> >>
> >>I checked the spf records for that domain:
> >>
> >>icomm.co.uk:
> >>
> >>v=spf1 mx ptr mx:mail.probrand.co.uk mx:mail2.probrand.co.uk
> >>mx:mail3.probrand.co.uk ip4:195.188.200.0/25 ip4:62.49.129.106
> >>include:spf.maildefender.net -all
> >>
> >>
> >>
> >>spf.maildefender.net:
> >>
> >>v=spf1 ip4:195.90.96.0/23 ip4:91.192.232.0/24 ip4:212.50.178.128/26 -all
> >>
> >>
> >>
> >>i.e. there should be a pass becasue of the entry "ip4:195.90.96.0/23" ????
> >>
> >>Is this a bug?
> >
> > Whether it's a bug only MS can tell. It certainly doesn't seem to be
> > correct.
> >
> > Testing the IP address and domain here
> > (http://www.kitterman.com/spf/validate.html) produces a "Pass" result.
> > ---
> > Rich Matheisen
> > MCSE+I, Exchange MVP
>
> .
>
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