I assume you mean personal email? I like FastMail. Just as much as Google Apps ($5 / mo), privacy-focused and the way they handle multiple domains on the same

I assume you mean personal email? I like FastMail. Just as much as Google Apps ($5 / mo), privacy-focused and the way they handle multiple domains on the same account is better than Google. My one annoyance with Google was if I want to send something from "hn@<mydomain>.com", I would have to prove I could send from that address by clicking a link... that went to the same inbox. FastMail allows you to edit the "From" field freely when you have one of your domain fields selected. They don't have an iOS app but they do make it very easy to add your account by downloading a profile.