You are in control of the types of notifications you receive from us. You'll be able to pick and choose the notifications sent to you via email by, going to your drop-down menu > Settings > Email Notifications, then select <View>.
From here, you can check on the types of notifications you would like to be sent emails for. Simply click on the tick box to select or deselect the notification type. Be sure to hit <Save> after you've made your changes.
Please note, by "Sends me a private message" will be unchecked by default.