A bank proves themselves completely incapable of handling personal data
then requests the personal details of one of Google's customers..
Even the big nosey isn't going to fall for that one..
and as for 'quarantining' the e-mail.. follow it through to it's natural conclusion; anyone could call claiming to be from anywhere.. asking google to 'quarantine' a particular e-mail.. chaos, panic and hilarity ensues in many zany and whacky scenarios..