Receiving facebook notification on emails sometimes looks uncomfortable, when it becomes excess maybe due to the numbers of friends you have and groups and pages you join.
This problem happens to females mostly because of how they love to keep more friends they won’t even communicate with. This will now cause excessive notification on emails which may likely hide some of your important messages unread/read. So to avoid this disaster, a came up with this idea after a friend of mine complained these same issue at hand. Simply it is easy but many don’t know, and it will work for you just as it worked for my dear friend.

These are the simple steps you have to take for you mobile
Firstly logon to your facebook account with the Email Address you used in registering
Click on SETTINGS AND PRIVACY at the bottom of the facebook page
Then click on notification

http://www.afrik9ja.com/2014/12/stop-excesssive-facebook-e-mail.html