in order to do that, you can send an unique link as content so you can have total control over what you sent. doubt that many would click but i couldn't think o

in order to do that, you can send an unique link as content so you can have total control over what you sent. doubt that many would click but i couldn't think of any other way. other than that, i don't think receivers like the idea that others can control what's in their inbox.