This it where you where you can send an email to all customers, all newsletter subscribers, or to a specific customer.

How To Send Email
1.  Select "All Customers", "All Newsletter Subscribers", or a specific user from the drop down menu
2.  Enter in your email address in the "From" box
3.  Enter in a subject for your message
4.  Type in your message
5.  Click on the "Send Mail" button
6.  Click on the "Send Mail" button again