Hi all i have a e-mail app in windows 8.1 modern interface norton 360 is not detecting it?

Hi so i have a E-mail app in windows 8.1  modern interface that for the like of me Norton dose not detect it as a e-mail client app and therfore will not scan my e-mails, How and why is it not detecting this app its my e-mail client it checks my e-mail like any other client dose. Can someone help me out getting norton to detect this please.