I spin up about 10-15 new side projects each year and typically add an email address to each one like "hello@example.com".
I currently have a shared hosting account that I use just to host all of these email accounts -- the domains and websites themselves are all on cloud droplets.
I'm looking for a new way to manage my email accounts. I'm currently paying about $150 / year for my existing setup and would prefer to host my own mail server if there is a easy way to do so. I really do not want to pay gmail $5 for each account.
How do you manage your setup?