Yes! OneSignal makes it easy to design professional-quality emails and automate campaigns based on real-time user behavior. We offer a simple drag-and-drop design interface and pre-built email templates, so it's easy to get started without any development expertise. We also provide full HTML support, so you can import existing templates or further customize your message design to fit your brand style. Using our Journeys tool, you can also build more sophisticated cross-channel messaging campaigns from a single automation workflow.