First check to make sure you are the author on the post where the comments are getting added.
Check the Settings → Discussion page to make sure email notifications are turned on.
Check the spam/junk folder in your email program to make sure the messages weren’t filed there by mistake.
This LINK would be Helpful
LINK
Thanks for the link, but I shouldn’t need a plug-in for a feature that should be working and had been for years.
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