With Vaetas we give you a lot of flexibility of where you can post your Vaetas videos. We offer both "Rich Text" and "HTML" options. Here is a quick video on how you can use the "Rich Text" option; as you'll see the HTML option is in the same location for systems that require HTML:
You can post in any email service, including your chosen auto-responders. The animated GIF or still JPEG will appear and open your Vaetas video in a full screen viewing experience.