Re: gmail users read on...

> Gmail, like Yahoo and Hotmail and AOL, is sporadically useful for casual
> purposes where mail transmission and receipt isn't terribly important.
> But it's much too poorly operated to be acceptable for professional use.
Plus the fact that "@yahoo.com" and "@gmail.com" (etc.) serve as good 
first-level 'Bozo Filters'.  DMARC serves as yet another reminder that serious 
professionals should not be using such email addresses.

        Ross.