You can embed an email (code and preview) on another site. In the upper right corner, click Share. Change Private to Public and click Embed. You can customize what type of embed you get, what it includes, how it is formatted, etc. You'll see a live preview of what the embed will look like.

Screen recording demonstrating the embed features

When you're satisfied with the embed configuration, click the Copy button in the bottom right to copy the embed code to your clipboard. Paste the embed code on your own site to show off your amazing email!