With my DDG staff hat off, I thought some people might be interested in this news. ProtonMail, which offers an encrypted email service, is now out of private beta and has also released iOS and Android apps:
I should add that this is not an endorsement as I've never used ProtonMail (I'm a happy FastMail user FWIW), but I know many on this forum are interested in privacy-focused services. There are a few other email provider suggestions here as well: https://duck.co/help/features/email
And just for the record... no, DuckDuckGo is not considering an email service!