disallow mass removal of subscribers who already received something (initial blocking, needs more work)
disallow mass removal of subscribers who already received something (initial blocking, needs more work)

tarekdj/phplist3,danwaterloo/phplist3,samtuke/phplist3,tarekdj/phplist3,tarekdj/phplist3,byronjumbo/phplist3,samtuke/phplist3,danwaterloo/phplist3,byronjumbo/phplist3,mariez/phplist3,mariez/phplist3,bramley/phplist3,phpList/phplist3,danwaterloo/phplist3,bramley/phplist3,danwaterloo/phplist3,bramley/phplist3,mariez/phplist3,phpList/phplist3,bramley/phplist3,samtuke/phplist3,samtuke/phplist3,byronjumbo/phplist3,mariez/phplist3,phpList/phplist3,byronjumbo/phplist3,tarekdj/phplist3,samtuke/phplist3,mariez/phplist3,byronjumbo/phplist3,bramley/phplist3,tarekdj/phplist3,phpList/phplist3,phpList/phplist3,danwaterloo/phplist3