Another option, depending on your device type, is to use a custom domain name alias provided by Apple’s iCloud services. If you pay for any type of iCloud plan, you can use custom domain names as an email alias. For your domain name, I would strongly suggest transferring it to Cloudflare. I moved all of my domains to Cloudflare and it was effortless. To use iCloud for your domain, you do have to edit your DNS records, but Apple provides guides on how to do so.
Another option, depending on your device type, is to use a custom domain name alias provided by Apple’s iCloud services. If you pay for any type of iCloud plan, you can use custom domain names as an email alias. For your domain name, I would strongly suggest transferring it to Cloudflare. I moved all of my domains to Cloudflare and it was effortless. To use iCloud for your domain, you do have to edit your DNS records, but Apple provides guides on how to do so.