yes, do not use exists in your SPF record if you want SPF to work with hotmail 
(and may be others).

From: Roland Turner 
<[email protected]<mailto:[email protected]>>
Date: Wednesday, December 19, 2012 5:16 PM
To: Tim Draegen <[email protected]<mailto:[email protected]>>
Cc: "[email protected]<mailto:[email protected]>" 
<[email protected]<mailto:[email protected]>>
Subject: Re: [dmarc-discuss] [ALERT] Re: Many SPF temperrors the last few days

Oh, I didn't think to actually look at the record... Medium/large receivers are 
likely ignore exists: specifications because they don't query SPF at SMTP time, 
they use a pre-crawled copy of the relevant DNS records.

Note that the only problem that exists: uniquely solved (being able to find out 
who is sending email claiming to be from your domain) is now part of what DMARC 
does anyway.

- Roland



On 19/12/2012 22:18, Tim Draegen wrote:
Henrik, I may be misremembering this, but there may be issues with the exists 
mechanism and hotmail.  If you can, you might try to remove your exists: check 
for a few days to see if your data changes.

=- Tim


On Dec 19, 2012, at 5:16 AM, Henrik Schack 
<[email protected]<mailto:[email protected]>> wrote:
No, it seems to be mostly email send directly to Hotmail.
Best regards
Henrik Schack



On Wed, Dec 19, 2012 at 11:00 AM, Roland Turner 
<[email protected]<mailto:[email protected]>> wrote:
Unable to retrieve, or SPF failure because it's reporting on messages forwarded 
to a hotmail.com<http://hotmail.com/> etc. address?

It may be that these have been going on for some time but that the sudden 
change that you're noticing is simply Microsoft turning this on.

- Roland



On 15/12/2012 04:47, Henrik Schack wrote:
Ahh it seems to be Hotmail being unable to retrieve our SPF record :-(

Best regards
Henrik Schack



On Fri, Dec 14, 2012 at 8:23 PM, Henrik Schack 
<[email protected]<mailto:[email protected]>> wrote:
Hi
I have seen a lot of SPF temperrors in my DMARC reports the last few days, Am I 
the only one with this problem ? Domain in question is tdc.dk<http://tdc.dk/>


--
Best regards
Henrik Schack
IT-specialist
TDC A/S



--
Venlig hilsen/Best regards
Henrik Schack
IT-specialist
TDC A/S, Online KundeCenter Privat, Udvikling
Teglholmsgade 3
0900 København C
Tlf + 45 6669 4631<tel:%2B%2045%206669%204631>
Mobil +45 4252 5569<tel:%2B45%204252%205569>
E-mail [email protected]<mailto:[email protected]>
Web http://tdc.dk/




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--
  Roland Turner | Director, Labs
  TrustSphere Pte Ltd | 3 Phillip Street #13-03, Singapore 048693
  Mobile: +65 96700022<tel:%2B65%2096700022> | Skype: roland.turner
  [email protected]<mailto:[email protected]> | 
http://www.trustsphere.com/



--
Venlig hilsen/Best regards
Henrik Schack
IT-specialist
TDC A/S, Online KundeCenter Privat, Udvikling
Teglholmsgade 3
0900 København C
Tlf + 45 6669 4631
Mobil +45 4252 5569
E-mail [email protected]<mailto:[email protected]>
Web http://tdc.dk/

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(http://www.dmarc.org/note_well.html)




_______________________________________________
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NOTE: Participating in this list means you agree to the DMARC Note Well terms 
(http://www.dmarc.org/note_well.html)



--
  Roland Turner | Director, Labs
  TrustSphere Pte Ltd | 3 Phillip Street #13-03, Singapore 048693
  Mobile: +65 96700022 | Skype: roland.turner
  [email protected]<mailto:[email protected]> | 
http://www.trustsphere.com/
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