roundcube-mailcow-dockerized-fail2ban/config.inc.php.example

<?php

// ... <rest of roundcube config> ...

$config['plugins'] = array (
	'mailcow_f2b'
);

$config['mailcow_f2b_redis_host'] = "redis-mailcow";
$config['mailcow_f2b_redis_port'] = 6379;