Why am I not receiving email notification sound?

[Windows Central Question]

I receive skype, facebook and bbm but not hotmail email sounds. I have gone into sounds > notifications and actions > outlook mail > notification sound is Windows email, sent myself an email from another account and the phone didn't chime. Yet I had a new email.

I even tried changing to another tone, still nothing. Just a minor quirk but weird. btw it is a Lumia 640 AT&T with the 10586.107 build

 

[v535]

it could be a bug.

 

[PeterT111]

Lumia 532 on 10586.107 - I have the same problem BUT I have discovered that if you have the messaging app Open at the time you receive an SMS then you get the notification sound. Otherwise Zilch. Not exactly convenient, hopefully they will fix in next release