And even then, it would all be for naught as soon as the user opens a message, which is a pretty normal thing to do. (I do think they should be more cautious t

And even then, it would all be for naught as soon as the user opens a message, which is a pretty normal thing to do. (I do think they should be more cautious though. For example, under no circumstances should Apple Mail ever auto-extract an attached zip file from a stranger.)