Hi, nothing big, but I found a spelling mistake in svn 1532 german localisation. Navigate to Einstellungen (Settings) -> Einstellungen (Settings) -> Server-Einstellungen (Server settings): Posteingang beim Abmleden packen <<-- should be Posteingang beim Abmelden packen
Create a new translation file here: http://translator.roundcube.net/.
When you finished your new translation you can upload the file to http://trac.roundcube.net/timeline.
This way the devs can add the new code more easily.