I host my own email on a DigitalOcean server using Mailu. Works great and allows me to receive *@mydomain.example.com, which is super useful for generating throwaway emails on the fly for different companies. If they send me spam I block the entire address, and it's easy to see phishing attempts because they come in to the wrong address. It's definitely not trivial to set up and maintain but I recommend it if you're into self-hosting things.