March 27, 2013, 12:15 PM — Here's how you can change notification settings for a particular email account in Windows 8.
1. Open the Mail app.
2. Press Win+C to open the Charms bar.
3. Open the Settings charm.
4. Go to account settings.
5. Select the email account you want to change.
6. Use the toggle switch to turn notifications on or off for that email account.
For more, see the original article at the link below.