[Web] Some changes

[SOGo] Allow to not spawn SOGo but an idling shell
[Rspamd] Remove X-CSA-Complaints from bulk headers...

data/web/inc/vars.inc.php

@@ -34,6 +34,7 @@ if ($https_port === FALSE) {
 $autodiscover_config = array(
   // General autodiscover service type: "activesync" or "imap"
   // emClient uses autodiscover, but does not support ActiveSync. mailcow excludes emClient from ActiveSync.
+  // With SOGo disabled, the type will always fallback to imap. CalDAV and CardDAV will be excluded, too.
   'autodiscoverType' => 'activesync',
   // If autodiscoverType => activesync, also use ActiveSync (EAS) for Outlook desktop clients (>= Outlook 2013 on Windows)
   // Outlook for Mac does not support ActiveSync