File plesk.managesieve.inc.php of Package roundcubemail

<?php
    $config['managesieve_port'] = 4190;
    $config['managesieve_host'] = '%h';
    $config['managesieve_auth_type'] = 'PLAIN';
    $config['managesieve_auth_cid'] = null;
    $config['managesieve_auth_pw'] = null;
    $config['managesieve_usetls'] = true;
    $config['managesieve_default'] = '/etc/dovecot/sieve/global';
    $config['managesieve_mbox_encoding'] = 'UTF-8';
    $config['managesieve_replace_delimiter'] = '';
    $config['managesieve_disabled_extensions'] = array();
    $config['managesieve_debug'] = false;
    $config['managesieve_vacation'] = 1;
    $config['managesieve_domains'] = array();
    $config['managesieve_filename_extension'] = '';

$config['managesieve_conn_options'] = Array(
        'ssl' => Array(
            'verify_peer' => FALSE,
            'verify_peer_name' => FALSE
        )
    );

$config['managesieve_kolab_master'] = false;

if (file_exists(RCUBE_CONFIG_DIR . '/' . $_SERVER["HTTP_HOST"] . '/' . basename(__FILE__))) {
        include_once(RCUBE_CONFIG_DIR . '/' . $_SERVER["HTTP_HOST"] . '/' . basename(__FILE__));
    }