在windows azure中使用cURL调用php

currently I am having a problem trying to use Azure as an SMTP server. I am trying to create a simple contact form that will send an email when you hit send. The PHP code is simple and works on another server as it's from a previous project, but I need to use Microsoft Azure server now and from what I read I need to use either cURL or a sendmail API call. Does anyone know how to do this as I can't seem to get it to work. This is the code that Microsoft say you need to use to get cURL to work, currently I am having a problem trying to use A