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SenderID minus the contamination = SPF
Without the distraction of Sender ID we can get back to publishing SPF records.

That was and still is the main way of verifying the IP matches the Domain, Pobox are proposing that the header details should also go through an SPF check too. That was the only advantage to Sender ID - extra header checks.

The patent rights Microsoft claims it has are probably no more than a patent on the XML Schema used!? (Why else put a tiny piece of information in an XML scheme!) The actually checking in Sender ID was all SPF stuff anyway.

You don't need Microsoft to publish SPF records for Hotmail to use SPF. If at the end they do not publish SPF records for their servers, you can put them on an exceptions list, or simply filter them heavily as normal (probably a good idea in the case of Hotmail accounts).

To publish SPF records:

Enter the details of your mail server here:
http://spf.pobox.com/

This calculates a text string.

(Something like: "v=spf1 mx ptr -all" is typical)

Upload it to your DNS as a text record.
If your ISP doesn't support SPF, ask them to, if they refuse then switch ISPs. (Or are you happy to have email's spoofed from your domain?).

It's already supported by Spamassassin.
Posted by: Nigel Johnstone   Posted on: 09/24/04 You are currently: a Guest | Members login | Terms of Use
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Of course you have to blame Microsoft.  Xunil_Sierutuf | 09/24/04
Of course YOU have to blame Microsoft..  d_jedi | 09/24/04
Made a good point though about IE thing(NT)  voska | 09/24/04
Not really..  d_jedi | 09/24/04
SenderID minus the contamination = SPF  Nigel Johnstone | 09/24/04
Thanks for the info!  Yen_z | 09/24/04
SPF seems workable as-is.  stefan fiala | 09/24/04
You are a lamer  Hayvern | 09/24/04
Well...  php_developer | 09/24/04
really?  richdave | 09/26/04
The open source comunity could have a working standard in no time.  DonnieBoy | 09/24/04
Patents  htotten | 09/24/04
David, two sides of the coin.  No_Ax_to_Grind | 09/24/04
I wouldn't be surprised..  d_jedi | 09/24/04
re: I wouldn't be surprised..  richdave | 09/26/04
Philosophical purity  Anton Philidor | 09/24/04
I have to disagree. At least in this case.  No_Ax_to_Grind | 09/24/04
They've done it before, will again.  Anton Philidor | 09/24/04
You missed key point...  No_Ax_to_Grind | 09/24/04
Agreed. Arguing motive only.  Anton Philidor | 09/24/04
We both agree then.  No_Ax_to_Grind | 09/24/04
And yet, you both are wrong..  Patrick Jones | 09/24/04
No you are wrong there.  No_Ax_to_Grind | 09/24/04
Yes..  Patrick Jones | 09/24/04
We shall see. (nt)  No_Ax_to_Grind | 09/24/04
The problem is...  John L. Ries | 09/25/04
the ramblings of two intellectual lightweights  hipparchus2000 | 09/26/04
You both missed the point  none none | 09/25/04
anton and noax churning out the old BS about communism  hipparchus2000 | 09/26/04
One major problem..  Patrick Jones | 09/24/04
But what happened?  No_Ax_to_Grind | 09/24/04
So..  Patrick Jones | 09/24/04
I'm taking my ball and going home.  No_Ax_to_Grind | 09/24/04
If that is your attitude...  Patrick Jones | 09/24/04
re: But what happened?  richdave | 09/26/04
NoAx never ever gives proof of anything just warped opinions  hipparchus2000 | 09/26/04
i agree ms should of plaid nice  V Sanders | 09/24/04
Standards for Interoperability  chodne@... | 09/24/04
That is one opinion, that of the small minority.  No_Ax_to_Grind | 09/24/04
Yes..  Patrick Jones | 09/24/04
Not worth the effort...  No_Ax_to_Grind | 09/24/04
Pathetic..  Patrick Jones | 09/24/04
Sorry you are qwrong.  No_Ax_to_Grind | 09/24/04
So you have an insider?  Patrick Jones | 09/24/04
NoAx never ever gives proof of anything just warped opinions  hipparchus2000 | 09/26/04
Your not winning the argument here  voska | 09/24/04
Re: That is one opinion, that of the small minority.  none none | 09/25/04
The Internet is built on open standards...  John L. Ries | 09/25/04
re: That is one opinion, that of the small minority.  richdave | 09/26/04
Why standards should be open...  RestonTechAlec | 09/26/04
Is IS open to all..  d_jedi | 09/24/04
100% spot on! (nt)  No_Ax_to_Grind | 09/24/04
once again total lack of proof of any kind makes NoAx look pathetic  hipparchus2000 | 09/26/04
There is a big reason..  Patrick Jones | 09/24/04
Who had to pay for anything?  No_Ax_to_Grind | 09/24/04
Maybe..  Patrick Jones | 09/24/04
re:Who had to pay for anything?  richdave | 09/26/04
an IETF standard has nothing to do with GNU Public Licence  hipparchus2000 | 09/26/04
Pay what??!  d_jedi | 09/24/04
True..  Patrick Jones | 09/24/04
Well..  d_jedi | 09/24/04
Patents are probably the issue  voska | 09/24/04
Voska, we agree, almost.  Anton Philidor | 09/24/04
d_jedi, you say "microsoft said this", "free software people said". PROOF  hipparchus2000 | 09/26/04
100% spot on  V Sanders | 09/24/04
Re: Is IS open to all..  none none | 09/25/04
Which 90% ?  Yagotta B. Kidding | 09/24/04
he ment 90% of the most up to date windows users  V Sanders | 09/24/04
Re: David, two sides of the coin.  none none | 09/25/04
Thanks, this puts NoAx firmly in his place  hipparchus2000 | 09/26/04
Microsoft & "Standards" Cannot Be in the same Sentence.  brenthawkinsmd | 09/24/04
Right! It's an Oxymoron.  Irritated User | 10/01/04
In this case, who IS Goliath?  alterego_z | 09/24/04
Meeting breakdown is just a set back. SPF is alive and well.  Peter Komisar | 09/24/04
Yes, hear hear!  cfortune | 09/24/04
What does Microsoft intend to do?  Anton Philidor | 09/24/04
How..  Patrick Jones | 09/24/04
What's to stop...  John L. Ries | 09/25/04
Agreed.  Anton Philidor | 09/26/04
Re: What does Microsoft intend to do?  none none | 09/25/04
and also  none none | 09/25/04
"... devolved the functionality to the client ..."  Anton Philidor | 09/26/04
Is an ID really necessary?  mgfint | 09/24/04
Sort of..  Patrick Jones | 09/24/04
Re: Sort of..  none none | 09/25/04
I agree  V Sanders | 09/26/04
Patents  htotten | 09/24/04
Why innovate when you can merely imitate..  d_jedi | 09/24/04
Yes, Get Real!  Irritated User | 10/01/04
Still no internet standards from Medicoresoft  kensys | 09/24/04
ROYALTY FREE??  d_jedi | 09/24/04
what a giant contribution!  hipparchus2000 | 09/26/04
Only an MS loyalist would regard patented/licensed to be a donation  kensys | 09/29/04
SPF is quietly taking over - and quickly!  cfortune | 09/24/04
SPF is still the perfect compliment to  sendiotc | 09/24/04
we all know that monitoring spam  V Sanders | 09/24/04

What do you think?

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