In Objective-C you can do this by calling
-[NSWorkspace URLForApplicationToOpenURL:] to get the default application for a dummy
mailto URL. Not sure how you’d do that from AppleScript but it seems like you should be able to get to this via ASOC.
Share and Enjoy
Quinn “The Eskimo!”
Apple Developer Relations, Developer Technical Support, Core OS/Hardware
let myEmail = "eskimo" + "1" + "@apple.com"