Ensuring deliverability of e-mails containing bills, statements, and other business critical information is imperative. Many businesses trust their customer communications management (CCM) platform for this. Nevertheless, they are often not aware of the complexity involved in getting these communications to the customer's inbox or the impact of poor deliverability. This white paper reviews the customer communications delivery market, explores the impact of poor deliverability, and highlights the strategic partnership between OpenText Exstream and SparkPost to provide assured electronic delivery with e-mail, SMS, and mobile push notifications.