When a post is published, a backup email is send to the admin with the post content in XML format.
When a post is published or updated, this plugin will send a backup email to the administrator of the WordPress blog with an attachment file that contains the post in XML format. The XML follows the format used when WordPress exports blog contents so that it can be easily used to restore the post.
The general idea of this plugin is to never loose any of your posts. If you have scheduled a backup of your blog once a week, its possible that you will loose the new posts published during that last week. With this plugin you will have a backup of all your new published posts in your email account.