I am considering purchasing Plesk to use on a single dedicated server, Windows 2003. What I want to know is what mail server software Plesk integrates with as well as how Plesk handles DNS, named or Windows DNS Service? And what billing integration systems/automated account creation might be out there that integrate with Plesk. My other option is Ensim, but after playing with it I do not really care for it too much. I would like to hear what those using Plesk have to say about it in addition to the feature questions I have here... Thanks!