i have the laview and lts. you need to play around for instance try using the same email to received the notification and when you click test see if it fails
me i 2 i got my two nvr working again .
I got it working with yandex email on port 587 no ssl and 465 ssl.
but i noticed i had to play around with the receiving email, i had to use the same yandex email to send the notifications.