How to use the mass email function correctly? ( )

A、Ifyouneedtosendanemailtoagroupofpeopleatthesametime,thentheemailshouldberelevanttoeachthere.
B、Themass/bulkemailfunctionisveryconvenient.Youcanuseittosendemailstoeveryoneintheworkgroup.
C、Ifyoureceiveamassemailthatisnotrelatedtoyou,youcanreturntheemail.
D、Ifyouneedtoreplytheemail,youcanusethemassemailfunctiontosendittoeveryoneagain.