hi, again Alain (from France) i've installed horde3 and imp4, and i've few questions : 1 : what can i do to avoid logging twice (one time for horde and one time for courrier) ? 2 : filters are desactivate and i've not found the parameter to active them (none in administration menu, or in horde.php and imp/config/prefs.php) thanks for reply alain Defrance