MailChimp - MailChimp is the best way to design, send, and share email newsletters.
CloudFlare - Cloudflare is a global network designed to make everything you connect to the Internet secure, private, fast, and reliable.
Kingmailer - Kingmailer helps you send, receive and route/forward emails.
Kollective - Kollective creates an intelligent software overlay on top of your existing network to facilitate secure content distribution
Awesome Mails - Awesome Mails creates beautiful image map emails, featuring an easy to use drag-and-drop editor...
Fastly - Real-time CDN