I personnaly use Fastmail and I'm very happy with it. As any other serious competitor, it's not free, though, around $50 a year for the best plan (10gB, custom

I personnaly use Fastmail and I'm very happy with it. As any other serious competitor, it's not free, though, around $50 a year for the best plan (10gB, custom domain and file storage, among other goodies).