In <A53E13DC1C8F90489DE40532DE77D7B80ACC12(_at_)MISC1A(_dot_)Laner(_dot_)local>
"Steven Dorst" <steven_dorst(_at_)Laner(_dot_)com> writes:
In
<7ae58c220606220756t4f75dd1dg6b77d70ec9d8df0c(_at_)mail(_dot_)gmail(_dot_)com>
Dotzero <dotzero(_at_)gmail(_dot_)com> writes:
Does anyone have recent stats on SPF usage/adoption?
The most resent stats that I know of were presented at the Email
Authentication Summit of a couple of months ago. See
http://www.emailauthentication.org/summit2006/
I spent some time looking at the pages from the Summit linked to below,
but couldn't find any actual stats! If anyone has found them, a direct
link to the page which shows the stats would be appreciated.
See the second session, page 3 in the PDF, bottom right slide:
http://www.emailauthentication.org/summit2006/pdfs/2_Summit_Scorecard_final.pdf
http://boss.streamos.com/wmedia/worktank/eas/eas2_patrick-peterson.asx
It says:
Meta-Study Results
SIDF and DKIM Adoption Rates
1. Two Studies: domains publishing SIDF records (DNS crawl -
MarketMonitor) and SIDF email into Hotmail
2. IronPort SIDF & DKIM from enterprise and ISP receivers
the graph shows:
top phished brands: 100% SIDF 50% DKIM
Fortune 100 enterprise: 35% SIDF 7% DKIM
All: 35% SIDF 9% DKIM
Microsoft/IronPort results match +/- 2%
I believe these stats are mentioned again in the presentation during
the last session.
-wayne
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