[ietf-dkim] Issue #1265: Signing by parent domains

[Eric Allman]

Amazing what can happen when you take a couple of days to work at 
your day job....

> An important argument in favor of parent signatures involves
> wildcard MXes.

John, I think you did a great job of summarizing a very important 
point.  (In fact, I think it goes beyond your example.)

Count me as a +1 for keeping the spec as-is.

eric