The email server will be sitting behind a firewall on our LAN. iPhones and iPads are also being used as portable devices. We are using Microsoft Outlook with personal folders since we have mailbox size restrictions of 200 MB per mailbox as well as the web interface for people that constantly move from desk-to-desk. The desktops are mainly Windows XP and some newer boxes are coming in with Windows 7. We use Active Directory (Windows 2003 domain) to manage users and distribution lists. We are not fully utilizing Exchange features and are mainly using it for email, contacts, calendars and shared calendars (for scheduling meeting rooms). We are going to switch from Exchange to Zimbra. We are a small shop of about 200 employees and are currently using Microsoft Exchange 2003 on a physical server. I have finished evaluating different mail options for my company and we decided to make the switch to Zimbra. I love feedback and learning better ways of doing things! Please excuse my ignorance since I am fairly new to Linux and Zimbra.if you have any advice on doing things better, please let me know. This is a merge of several other guides, comments and my own experience of putting it all together in one place in a format that is easy for me to follow and reproduce the same results (yes, I create documentation that I will have to re-read one day because of my bad memory problems!). It will also cover the installation and configuration of Zimbra OSE and the Zimbra desktop client. Although there is some VMware-specific steps, they are very few and the majority of this documentation will work for other VMs such as VirtualBox or even directly installed onto a physical machine. This thread will cover installation of Ubuntu server inside a virtual machine vSphere 4.1 running on ESXi 4.1 servers. This is a Work-In-Progress topic so I will be updating this thread as I go through this transition from MS Exchange to Zimbra. If useful, it will probably be best to convert to a wiki once completed. I am a documentation freak so this will probably grow into a very LARGE step-by-step process. I hope this thread will be helpful to those who follow in my foot steps as well as getting any advice based on what I have done / documented.
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