Hi,
how to set DKIM expiration (x=) is being discussed in the DKIM WG. Making
educated guesses requires some data. Aggregate reports are the right place for
that. For example:
<record>
<row>
<source_ip>192.0.2.119</source_ip>
<count>184</count>
<min>4</min>
<max>312</max>
<avg>21</avg>
<policy_evaluated>
...
Min, max and avg are functions present in almost all packages that deal with
collections, from DBMSes to programming languages. So adding them is just a
few minutes more than what would be needed to upgrade to the new spec as it is now.
I aired this idea in [ietf-dkim], and I'm looking forward to seeing the same
reaction here. However, what about messages from the dmarc list for the week
ending Sun Feb 19 06:00:04 2023?
Best
Ale
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