You can choose which users, if any, receive a notification when a comment is added to a blog post. This setting works whether comments are moderated or unmoderated.
Who can use this feature?
System Administrators | Owners
Instructions
Navigate to Modules. Click on Content, then Blog:

Click Choose an Action, then select Properties next to your desired category:

Locate the Comments Option section:

Select a style of moderation:

No Comments: Do not allow users to post comments
Moderated: Allows for supervision and censoring
Unmoderated: No supervision or censoring
Ensure that Send Email for Blog Comments is set to Yes:

Add email addresses to the Submit Comments To field:

Note:
Separate each email address with a comma.
Click the Save button:
