On Tue, Oct 26, 2004 at 10:06:12AM -0400, spf2@kitterman.com wrote:
|
| For myself, I would find it acceptable if there were an unburdened
| alternative for 2822 (or at least a placeholder for it as a scope). Leave
| it to the market to decide only works if there is a real choice. Currently,
| if one wants to work with the 2822 header, there is no choice, only PRA. If
| there were room for a free alternative in the same domain, then I think a
| lot more people would be ready to move on.
Yahoo DK is aimed at this as well, and it's maturing faster
than you think. GMail is already signing all outbound mail
with DK.
I put these slides together last week. They show how 2821
and 2822 solutions can complement each other.
http://spf.pobox.com/slides/motherzombie/
They are informed by recent thinking in the "Unified SPF"
space, which says "check 'em all, may the first pass win":
http://spf.pobox.com/slides/unified%20spf/0429.html
When I say "pass" I mean a dual-pass, requiring both auth
and receiver-policy to work.
http://spf.pobox.com/slides/tokyo-20040929/1420-authpluspolicy.pdf
http://spf.pobox.com/slides/tokyo-20040929/1455-authpluspolicy.pdf
The 2821 vs 2822 breakdown also agrees with the model shown at
http://spf.pobox.com/slides/crossingbeams/0220.html
cheers
meng
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|
| For myself, I would find it acceptable if there were an unburdened
| alternative for 2822 (or at least a placeholder for it as a scope). Leave
| it to the market to decide only works if there is a real choice. Currently,
| if one wants to work with the 2822 header, there is no choice, only PRA. If
| there were room for a free alternative in the same domain, then I think a
| lot more people would be ready to move on.
Yahoo DK is aimed at this as well, and it's maturing faster
than you think. GMail is already signing all outbound mail
with DK.
I put these slides together last week. They show how 2821
and 2822 solutions can complement each other.
http://spf.pobox.com/slides/motherzombie/
They are informed by recent thinking in the "Unified SPF"
space, which says "check 'em all, may the first pass win":
http://spf.pobox.com/slides/unified%20spf/0429.html
When I say "pass" I mean a dual-pass, requiring both auth
and receiver-policy to work.
http://spf.pobox.com/slides/tokyo-20040929/1420-authpluspolicy.pdf
http://spf.pobox.com/slides/tokyo-20040929/1455-authpluspolicy.pdf
The 2821 vs 2822 breakdown also agrees with the model shown at
http://spf.pobox.com/slides/crossingbeams/0220.html
cheers
meng
-------
To unsubscribe, change your address, or temporarily deactivate your subscription,
please go to http://v2.listbox.com/member/?listname=spf-deployment@v2.listbox.com