There are two plugins that send confirmation mails to users and notification to the administrator.
- Content - JoomFunding - User Mail - That plugin sends a mail to a user when the administrator approves his project.
- Content - JoomFunding - Admin Mail - That plugin sends a mail to the administrator when someone creates or publishes a project.
The features that sends confirmation mails after payment are part of the payment plugins. You have to enable this functionality by their options.