For every business application to run it's business operations smoothly, one of the key features is to have a reliable communication system between the business and the customers. The communication channel might be two-way, either sending a message to the administrators managing the application or sending alerts to the customers via emails or SMS to their mobile phones.
Azure has integrations with two popular communication services named SendGrid for emails and Twilio for working with SMS. In this chapter, we will be using both the communication services to understand how to leverage their basic services to send messages between the business administrators and the end users.