In <20041030153629(_dot_)29919(_dot_)qmail(_at_)xuxa(_dot_)iecc(_dot_)com> John
Levine <johnl(_at_)iecc(_dot_)com> writes:
SPF-classic is currently widely deployed.
People have published a lot of SPF-classic records in DNS, but I wouldn't
confuse that with deployment.
I am not confusing the two. Yeah, it is much easier to check how many
people are publishing SPF records than checking them, but that doesn't
mean that you can't get clues to the latter.
The amount of mail going through SPF tests is still small, and only a few
aggressively wacky sites block mail that fails SPF.
Ok, let me ask you:
How do you know that "the amount of mail going through SPF test is
still small"?
What do you define as "small"?
How "small" is spf testing compared to other things, such as various
DNSBL checks, or SpamAssassin usage, or whatever?
-wayne