account-hook . 'unset preconnect imap_user imap_pass imap_authenticators; set ssl_starttls=ask-yes'

account-hook imaps://imap.server.com/ 'set imap_user=username imap_pass=pass'
folder-hook imaps://imap.server.com/ 'set folder=imaps://imap.server.com/INBOX record=+Sent from="FU <fu@bar.com"'

set folder="imaps://imap.server.com/"
mailboxes =INBOX