    Sentence x: Microsoft favors. setting up.”   independent e-mail trust authorities to  establish “and maintain commercial  email guidelines, Lertify ’ senders ‘who.  follow | the guidelines”, ‘and resolve  custonier disputes :”         Sentence 2 Gates says he wants to see”  independent e-mail “trust. aiithorities °”  tuho- * ”<: “establish vand: maintain  commercial enidil guidelines 5 certify