Pine is a text based mail client from the University of Washington. It is available for Unix, Linux, DOS, and Windows from www.washington.edu/pine.
These instructions are for when you are running Pine from your home computer. You can also run pine directly on the riseup.net mail server, but in that case it is already configured for you.
Here are the necessary .pinerc configuration entries:
For secure IMAP:
(that is all on one line)
For insecure IMAP:
folder-collections="mail.riseup.net" {mail.riseup.net/ssl/novalidate-cert}INBOX.[]
folder-collections="mail.riseup.net" {mail.riseup.net}INBOX.[]