For my personal email I use the new iCloud+ service, as I already had a plan and they have the "Hide my email" feature which is a plus.
For company email: Fastmail. They're professional, I trust them, the price value ratio is good. Can't complain
For company email: Fastmail. They're professional, I trust them, the price value ratio is good. Can't complain
I haven't tried out the family sharing yet though.