The email will be sent to the desired recipient. It is that simple. Apple has ensured that its Mail app is as simple as the competitor apps, to keep people loyal to the product. You can, of course, use other mail apps to send or receive emails, but Apple Mail works just as well.
The Mail app comes pre-installed on Mac and Macbook, as well as iOS and iPadOS devices, which means you can get started right after you boot and set up your devices.
