Check config file
defaults.inc.php: OK
config.inc.php: OK
Check if directories are writable
Roundcube may need to write/save files into these directories
/www/wwwroot/www.857.email/roundcubemail-1.5.1/temp/: OK
/www/wwwroot/www.857.email/roundcubemail-1.5.1/logs/: OK
Check DB config
DSN (write): OK
DB Schema: NOT OK(Database schema differs)
Schema version: 2013052500 (required: 2020122900)