Hello,
If you would like to get notification email(s) when there is a new post from any forum, please go to that forum >> Focus on Forum Tools menu>> Click on ‘Subscribe to this forum’ >> then select notification type as you wish.
If you would like to get notification email(s) when there is a new post from any thread, please go to that thread >> Focus on Thread Tools menu>> Click on ‘Subscribe to this thread’ >> then select notification type as you wish.
Kindly check your email box and spam box also for sure.
Hope it works and feel free to let me know if I am of any further assistance.