IMAP authentication plugin for Radicale.
$ python3 -m pip install --upgrade https://github.com/Unrud/RadicaleIMAP/archive/master.tar.gz
[auth]
type = radicale_imap
# IMAP server hostname
# Syntax: address
# Syntax: address:port
# Syntax: [address]:port
# For example: imap.server.tld
#imap_host =
# Secure the IMAP connection
# Value: tls | starttls | none
#imap_security = tls