Incapsula is a Security CDN that makes websites safer, faster and helps increase reliability.
nginx [engine x] is a HTTP server and mail proxy server written by Igor Sysoev.
Previously Google Apps for Business. G Suite is a cloud-based productivity suite that helps you and your team connect and get work done from anywhere on any device. It's simple to setup, use and manage, allowing you to work smarter and focus on what really matters.
GoDaddy email provides a personalized address but protection against viruses and spam and includes tools like Calendar.