Murray S. Kucherawy wrote:
4 would include DKIM signing. I'd be fine with adding a SHOULD there.
SHOULD? You would specify a normative SHOULD for protecting a DKIM validation with a(nother) DKIM signature?
This begs the question: why bother to do the first validation; why not simply wait and let whoever would have validated the first instead validate the first?
d/ -- Dave Crocker Brandenburg InternetWorking bbiw.net