In your tutorial "The Perfect Server - Ubuntu 9.10 [ISPConfig 3]" I > used the hostname "*server1.example.com*" with my actual IP address > 192.168.x.xx and the gateway 192.168.x.x. throughout the tutorial which > eventually went smoothly after doing so. As I'm very new to working with > code (windows user), I was wondering if you could help me by telling me > how to edit "*example.com*" to the domain name that I have registered > and plan to use (mysite.co.uk). > > After several attempts, (I'm a new user of Ubuntu) at the tutorial I > succeded. When I entered the address of server as you instructed and the > ISPConfig login window came up I was very pleased. I then logged > in to view and explore the settings and option menus. > > Another problem that I have not solved yet is how do I login to webmail, > perhaps you can help! > > Thank you for opportunity of this tutorial, well done.
You can change the hostname in /etc/hostname and in /etc/hosts. You might also have to change it in /etc/postfix/main.cf. Reboot the system afterwards.