[ietf-dkim] DKIM adoption
steve at wordtothewise.com
Fri Jul 31 22:02:25 PDT 2009
On Jul 31, 2009, at 9:17 PM, Franck Martin wrote:
> I was curious by Scott comment re SPF.
> Is there a class of spam that cannot get a DKIM signature?
> I would think botnets would be that class, as they usually infect
> computers and not sure they could DKIM sign as it would require them
> to set a DNS entry too. Knowing that botnets are 70% of spam, if
> DKIM could solve this one it would be great.
This is trivial for botnets to do. Apart from the obvious ways, many
botnets already run DNS.
> so my question to add to your question "Does the presence of a
> signature provide any objective data about the goodness or badness
> of the signer?" is:
> is there a class of spam that cannot get a DKIM signature?
It says that the software generating the email was written at some
point after 2007. Which is a data point, but not a terribly useful one.
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