My wife texts me each time she wants me to make the robot vacuum cleaner to do it's thing since you can't have multiple accounts and the backend bugs out when you switch devices to login from.
Welcome to the future :)
Welcome to the future :)
So we effectively have a custom domain in gmail, for sending and receiving.
As far as the internet is concerned we are one entity with multiple devices.
The easiest way I know to have smtp for your domain is AWS SES.