http://vww6ybal4bd7szmgncyruucpgfkqahzddi37ktceo3ah7ngmcopnpyyd.onion/ca/email/clients/k9
Install, as mentioned above Open K-9 Mail application Click ‘Next’ Enter your riseup email address and password Select either POP or IMAP (if you don’t know the difference, and plan to use this email account on multiple devices select IMAP ) Your username, password, and server should be prefilled in.