Using the selector as input to a reputation process is a serious mistake. It
is
discussed briefly in the Overview, which was just approved by the IESG:
<http://dkim.org/specs/draft-ietf-dkim-overview-11.html#rfc.section.4.3>
Basing assessment on a value that includes the selector destroys the ability to
use the selector for key management.
d/
Franck Martin wrote:
> Hi,
>
> I see some ESP are using the selector to do domain reputation. We used
> to have a reputation based on the IP, but with DKIM based reputation, it
> is more difficult to have a granular reputation, therefore the use of
> the selector to differentiate emails.
>
> Is the use of the selector for this purpose codified somewhere?
--
Dave Crocker
Brandenburg InternetWorking
bbiw.net
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