Email notification to author of the blog when comment is approved?

I have a blog site with multiple authors, and I have the discussion settings set to ‘Comment must be manually approved’. Only admins have permission to moderate comments.

Could this plugin be customised to send an email notification to the author of a blog, (rather than the commenter) after a comment is approved a blog they have written?

I want the author to know when a comment has been published, so they know to reply… but I don’t them to receive the email before the comment has been moderated.