You will be notified within your Community Profile when someone replies to you, quotes you, mentions your @name, or links to your post.
When you aren’t active on the community site, your conversation notifications will be automatically sent to you via email. Reply via email from anywhere, on any device.
To adjust your notifications, make sure you are on the “Community” page and click on your user icon (see GIF below.)
Select “Preferences” (gear icon) for a full list of options to customize.