Comments are very important in blogging, because they encourage discussion. When leaving a comment on a blog post, for example if you are asking a question or requesting some support, it's very boring to come back to the page twice a day and see that no-one has answered you.
With Suscribe to Comments, you'll provide a way for your visitors to receive an email each time someone commented on the post in question. I was skeptical about this plugin at first, but after I tested it, I can say that it increased the average number of comments on my posts, and it helped creating many interesting discussions.
The Subscribe to Comments plugin can be downloaded from http://txfx.net/code/wordpress/subscribe-to-comments.
Next, simply follow the plugin installation procedure as described on page 1.
Subscribe to Comments does not require any configuration. Once activated, it is already working. To make sure everything's fine, you can...