I have customized the installation script and file to automated installation of Disclaimer specially for Zimbra OpenSource 5.0.18 ONLY. Tested working in Centos 5.x.
Disclaimer Admin Extension for Zimbra UI is set to be tab 9.
Refer back to the original guide for details.
http://wiki.zimbra.com/index.php?tit...nsion_Admin_UI
Thanks to the original creator for this great piece of work.