Thank Me Later
Thank Me Later is a plug-in which will automatically send a thank you email to readers after they post a comment. It can be set to send the message a time after the comment was posted (an hour, day, week, month, etc). It is effective as it will remind readers of their comments and gets them engaged with future discussion and your blog. It is useful to attract “one-time” readers who will post one comment, and then forget about your blog.
Thank You messages are fully customizable and provide use of “tags” which represent variables. So, for example, you can refer to readers by their names, and reference other variables including comment page, the comment ID, etc. Support for PHP is also included to make the system even more extensible to those with experience. READ MORE