Ashish Kumar (Ashfame)

Plugin offers a admin screen to select the posts of which commentators should be emailed, and then you can write the subject & message to send and the plugin will send them an email along with their comment history on the selected posts.
You also have the option of excluding list of emails and specifying a Bcc email address.
If you find a bug, please report the issue here – https://github.com/ashfame/email-posts-commentators/issues

Email Posts Commentators

bingu

[ATTENTION] WordPress version MUST up to 2.7
Enhance the threaded comments system of WordPress 2.7. 
When someone reply to your comment, send a email to you.

replyMail

Enhance the threaded comments system of WordPress 2.7. When someone reply to your comment, send a email to you.

Email Posts Commentators vs replyMail