Just use a service like fastmail that you can push a custom domain on. The. You can move services in the future. The charge money, but you get backups, support

Just use a service like fastmail that you can push a custom domain on. The. You can move services in the future. The charge money, but you get backups, support and documentation. They are also committees in Cyrus and other tools, and participate in internet stands setting. Their servers and hosting setup can survive DDOS attacks that yours can’t. They aren’t going to get grey listed. If you run your own server there is a lot of over head. Not just disk and service status, but patching, new standards like when DKIM came out. If you want you can get fastmail to forward all email to your own private SMTP server, so you can practice running email on your own server without being exposed to constant port scanning and other attacks.