I use zoho too, with 1 custom domain for about 2 years without issues. It's free. The email interface is kind clumsy, but I rarely use it. I go on pop3 mostly.

I use zoho too, with 1 custom domain for about 2 years without issues. It's free. The email interface is kind clumsy, but I rarely use it. I go on pop3 mostly. On the negative side, zoho is a USA based company.