The Newsletter module allows you to author and mail out e-mail newsletters. Though newsletters, you can inform your customers about new products, current offers and discounts and much more. The newsletter can be static or dynamic.
You can edit newsletters at CMS Desk -> Tools -> Newsletters.
For more details and information about newsletters please refer to the Module Newsletters chapter in Kentico CMS Developer's guide.
Page url: http://devnet.kentico.com/docs/5_5r2/ecommerceguide/index.html?newsletters.htm