What things you mean?
I have an multiserver enviroment working, one server for mail, other for web, other for database, other 2 for dns.
I just dindt added the squirrell mail, was choosing between horde and roundcube so i tried folow this tutorial:
http://www.howtoforge.com/virtual-mu...ispconfig-3-p4
To increase the security, and followed the setup for get roundcube working, but dindt worked...