On 6/20/2014 1:45 PM, John R Levine wrote: >>>> Adding a requirement that one validation needs to be accompanied by a >>>> particular other valid signature is just such an additional factor. >>> >>> I don't see it that way. >> >> Try harder. > > Still not having much success here, so please help me out. > > It is presumably permitted to check an external clock to find out what > time it is to validate the x= or t= tags. How come that's OK, but > checking the message for the presence of a signature with d=whatever isn't?
That has not appeared (to me) to be the nature of what you have been espousing. Rather you appear to be espousing the benefits of mixing policy with mechanism, by placing requirements for combinatorials (one sig in the presence of another) into the middle of a signing/validating spec. d/ -- Dave Crocker Brandenburg InternetWorking bbiw.net _______________________________________________ dmarc mailing list [email protected] https://www.ietf.org/mailman/listinfo/dmarc
