pavel urban tqanaqmlpcz hello two instances postfix two maincfmastercf files separate directories one configuration directory rest access aliases transport files anything else separated instance want nearly identical behavior ive tried way looks ok want avoid surprises future thanks pavel urban pavelurban o2com o2 system disaster telefonica o2 czech republic wwwczo2com vegetables operate electronic equipment computer stupidities httprinkworkscomstupid fri 08 aug 2008 003521 0100 two instances