Any one tried zimbra mail server in ubuntu?

[sahabcse]

I plan to install zimbra collaboration suite in new ubuntu 9.10 installed server, Any one have good guide please let me know

 

[sahabcse]

I have tried the installation but stuck in below error

ERROR: Installation can not proceeed. Please fix your /etc/hosts file
to contain:

Where is the ip address of the host,
is the FULLY QUALIFIED host name, and
is the (optional) hostname-only portion

 

[Stein]

I heard about it but don't want to move from exim

 

[sahabcse]

I am also tested exim, But zimbra I mainly prefer for graphics and easy to manage

 

[Ocido]

I you talking about open source zimbra?