Using and configuring Email This Issue is easy, however it will take a little while to fully understand the power, flexibility and benefits of this product. This page lists a series of tutorials that guide you through the steps of achieving a certain goal.
Evaluation - Email This Issue does not currently support Jira's embedded database (HSQL). If you encounter problems, and are using HSQL, please continue your tests using a production-ready database.
Customizing the email template used with manual emails - This tutorial explains the steps you need to take to customize the template Email This Issue uses when you send emails manually with the Email button.