I'm a bit confused by the term 'server' because Mozilla is a client technology that connects to servers, like e-mail and Web servers. If you mean to do a desktop rollout, then there are a few tricks you can use. The main one involves a file called prefs.js (Windows) or preferences.js (Linux). This file holds a lot of configuration information captured by the install. It's like a Windows .INI file. If you supply a copy of that to all your users, you can apply a standard setup to everyone. Make sure you have a very recent version of Mozilla or Firefox if you do this.
Unfortunately, automating the rollout in more detail requires detailed knowledge of self-extraction tools. Mozilla doesn't yet have a customization tool that you can lean on. If you do spend time understanding the self-extractors that Mozilla uses, then you can make a custom distribution for your users. That's a non-trivial task, though.
This was first published in September 2004