On Mon, 2005-11-14 at 12:05, Frank Ellermann wrote: > > Anyone would does not like it is encouraged to suggest one > > that other folks will like better. > > I like Keith's terms MON / MRN (mail originating / receiving > networks) better, because seen as sets of systems they can be > different. An outsourced backup MX would be still a part of > the "MRN" (if I got this right), but not belong to the same > "COG". MUAs also belong to one or more MONs / MRNs, but not > necessarily to the same "COG" as the correponding MSA / MDA. Yup. The underlying anti-open-relay requirement is that the operator of any MTA touching a message have a (possibly transitive) service-provider relationship with either the sender or the recipient of the message. That's fundamentally a statement about people and organizational relationships. - Bill _______________________________________________ Ietf@xxxxxxxx https://www1.ietf.org/mailman/listinfo/ietf