FreeBSD + DirectAdmin servers tuning
FreeBSD 64bit + DirectAdmin control panel now is possible! All power of 64bit system. New ULE process scheduler. No limits for memory. It was tested. It works fine on heavy loaded servers. Also you will get apache 2.2 + php as module but all scripts run under the username!
FreeBSD + DirectAdmin additional packages
If you want to have some additional usefull utils, installed on your server, you can order it from INTERVIPNET.
You can count users resources with "Load statistic" package based on "sa" (System Accounting). You can have option to switch on and off mail() function for users
with "Mail per user" package. Its also help you to protect accounts from DarkMailer / DirectMailer (dm.cgi).