????? ????? ????? ?????? ?????????? ???????? ????? ?????? ?????????????? ????? ?????? ?????????? ?? ??? ??????? ?? ??????? ????????? ???????. ??? ???? ??? ???? ?????? ???? ???????? ??? ????? ?? ??? ?????? ???? ?? ???? ???? ???? ??? ????? ??? ???????? ??? ???? ??? ?????? ?????? ???????? (Bounce Charge) ??????? ???? ?????? (Deliverability). ??? ??? ?