Requires iOS 4.0 or higher
Delete all your e-mail with one tap.
Enabling this will add a `Delete All` or `Archive All` button to your inbox or mail folders in Mail app
Instructions:
Open Mail app, tap "Edit" button, tap "Delete All" button and confirm. All your e-mail will be deleted.
You can enable or disable this tweak via Setting app. There are no new icons added to your homescreen.
See further below for Screenshots