I found that mailcow is a bit too heavy on the requirements. Instead I've started using mailcow (https://mailcow.email/ https://mailcow.email/) which runs a mai

I found that mailcow is a bit too heavy on the requirements. Instead I've started using mailcow (https://mailcow.email/ https://mailcow.email/) which runs a mail server in docker. It's a bit less of a hassle to actually start up and keep maintained.