> It's also a principle of good engineering that you don't make unnecessary > changes to deployed code. I think that's an overgeneralization. There's neither a wide enough deployment of DKIM, nor sufficient evidence of DKIM's suitability for the diverse user community, for the current DKIM specification to dictate the standard protocol. _______________________________________________ Ietf@xxxxxxxx https://www1.ietf.org/mailman/listinfo/ietf