The tutorial on Page four recomends that you don't create directories for web based administration (for courier). I'd like to be able to administer my server from another computer do I just select yes anyway?
I've never used this web-based administration feature, so I can't say. But if you're thinking about webmail, you can install Squirrelmail or Uebimiau later, so you can still select 'No'.
I was actually thinking more along the lines of adding new users and similar from a diffrent computer