Answer: optout

AnswerCrossword Clue
OPTOUTChoose to bail
OPTOUTClick a "Don't send me email" checkbox
OPTOUTChoose nonparticipation
OPTOUTStay uninvolved
OPTOUTDecide not to join in
OPTOUTDecide not to participate
OPTOUTDecline
OPTOUTDecide not to take part
OPTOUTDecline an invitation
OPTOUTChoose to be uninvolved
OPTOUTGet off the list
OPTOUTChoose not to participate
OPTOUTDecline further e-mail
OPTOUTStop some e-mail
OPTOUTChoose to withdraw
OPTOUTPass
OPTOUTChoose to not participate
OPTOUTDecide to withdraw
OPTOUTDecline to participate
OPTOUTDecide to quit
OPTOUTRemove one's hat from the ring
OPTOUTChoose not to receive aggressive marketing emails