how to decrease mail notification from facebook group

we have too much disturbance that increase our mailbox from facebook.almost coming lot notification from facebook group.   Now we can somthing to do for decrease mails..


follow the steps below
1-Open group which you wnat stop mail notification
then click 'Edit Setting'
 see the picture below

now will open a popup like below
see the 'Notify me when' select from dropdown menu which you want
and avoid the tick
example: see picture below
 
untick every thing which you want


Now it all....