My sent items doesnt save
 

My sent items doesnt save , i cant see any thing in sent box, always it shows 0

is there any setting fault on myself
please solve this issue also reply me
thanks in advance

see image carefully below image and right check in "save a copy of sent mgs"
image-1
https://s1.postimg.org/l1k3dhk0f/image.png
image-2
https://s2.postimg.org/ip1zfo0q1/image.png