Michael Elliott wrote:
[FAIL results for mail claiming to be from you]
these numbers are to be taken as anecdotal.
Still interesting...
DNS servers querying v=spf1 records: 5216
DNS servers querying spf2.0 records: 828
DNS servers querying only spf2.0 records: 152
doing the math, servers checking both: 676
...the "only spf2.0" are apparently PRA-only checks getting
the "opt out" idea right (as specified in senderid-core)
Or rather, they would get it right, your PRA is not a strict
"opt out", for "a mx" you offer a PASS. But 152 is more than
Wayne's zero 20 weeks ago.
For the 676 doing both we can also hope that there's only one
reason to check spf2.0/pra after v=spf1, because they did not
abuse v=spf1 for PRA. Of course we don't know what they'd do
if there is no spf2.0/pra.
the other guys are catching up in usage.
Yes, 16% is more than I expected. Bye, Frank
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