As I've mentioned I think the clue for getting addresses for emailing notes rests in the Mac's "Permissions" department. A brief Google search tells me that the app, in this case EN, has to ask the OS for permission to access "Contacts". Since EN is not appearing on my Mac as an option to give permission to, I can only assume that the EN app is not asking. Either intentionally or in error. But why would EN include an email "Share" option without allowing an email address to be entered? Must be a bug!!
Bob