The Perfect Server - Ubuntu 14.10 (nginx, BIND, Dovecot, ISPConfig 3)
This post is from 2014. Versions, commands and links in it may be outdated. The current release is ISPConfig 3.3.2p1.
New ISPConfig installation tutorial available at howtoforge.com:
http://www.howtoforge.com/perfect-server-ubuntu-14.10-with-nginx-bind-dovecot-and-ispconfig-3