Merge branch '6486-wrong-database-name-variable-used-in-rspamd-plugin' into 'develop'

Resolve "Wrong database name variable used in Rspamd plugin"

Closes #6486

See merge request ispconfig/ispconfig3!1709

Author: Till Brehm

server/plugins-available/rspamd_plugin.inc.php

@@ -508,7 +508,7 @@ function server_update($event_name, $data) {
 		$mail_config = $app->getconf->get_server_config($conf['server_id'], 'mail');
 
 		$local_addrs = array();
-		$ips = $app->db->queryAllRecords('SELECT `ip_address`, `ip_type` FROM ?? WHERE `server_id` = ?', $conf['mysql']['database'].'.server_ip', $conf['server_id']);
+		$ips = $app->db->queryAllRecords('SELECT `ip_address`, `ip_type` FROM ?? WHERE `server_id` = ?', $conf['db_database'].'.server_ip', $conf['server_id']);
 		if(is_array($ips) && !empty($ips)){
 			foreach($ips as $ip){
 				$local_addrs[] = array(