Google and Apple read your emails, the NSA spies on all major email providers (Mainly because they are not encrypted by the providers)
So here is an alternative:
This is a small german email provider, they encrypt all mails, only use green energy, have no advertizing and don’t collect your data (they don’t even know your password). It costs 1 Euro per month (I don’t want everything for free) and if you send them a letter with 20 € and a special code they can not even know who you are.
And the very respectable Zeit Magazin says it is the best of all german providers: