retain backups only for 3 days; beyond that the user is responsible for copying files off of the machine
fix display of backups that are past due to be reaped
report free disk space in the admin
disable SSLv3 in dovecot now that it is known to be insecure (POODLE)

SSLv3 is already disabled in Postfix (45e93f7dcc18d588fd7725431cbc900befe33f42) and Nginx (51dd2ed70b6309ae6675653f03c2ad865fceb86d).