Zoho is pretty much free for personal uses. They charge per user per month, but under 25 users is free, and if you're not a business you don't have that many users.
I have numerous personal projects that are web sites/web apps and I use Zoho to get emails at all those domains.
I don't know if this is frowned upon by Zoho, but if you don't want to use their UI, you can set up your regular personal Gmail account to act as a POP3 client and just retrieves emails from Zoho that way. (now that I wrote it out, it makes me think it can't be frowned upon, simply because POP3 is even offered as a feature there)
Aside: It always frustrates me when I see a business with their own domain and then an @gmail.com or @aol.com address. What registrars don't offer basic email forwarding (often for free?) or cheap (~$10 email) service you can buy from them if you can't figure out Google for your Domain)?
I feel like there is a small, but profitable space here, I just can't figure out what to do to harness it.