alpine

Store password:
touch .pine-passfile

IMAP setting from .pinerc file:
inbox-path={IMAPSERVER/ssl/user=USERNAME/novalidate-cert}INBOX
default-fcc={IMAPSERVER/ssl/user=USERNAME/novalidate-cert}sent-mail
feature-list=enable-incoming-folders,
enable-incoming-folders-checking,
incoming-checking-include-total,
save-will-not-delete
folder-collections=mail/[],
"IMAPSERVER" {IMAPSERVER/user=USERNAME/ssl/novalidate-cert}[],
"gmail" {imap.gmail.com/ssl/user=USER@gmail.com}[]