It's quite easy for Sam to implement such a configure option. But NO, he'd
like to teach world how to send and receive mail. His attempt of this sort
resembles Stalin or Hitler's attempts to redesign real world. Fortunately
they was not succeed. From my point everyone who're trying to create
universal MTA have to take into account realities along with RFC's.
FYI: I'm using patched Courier more than a year and I think it's the best
mail server system.