[CentOS] Re: Using CentOS as a file server on a win2K domain

>>Samsung Contact, and Open exchange are two very capable alternatives that work natively with outlook,  i.e. outlook thinks it has an exchange server at the other end...
> 
> 
> Do these require extra client-side software installed on every machine?
> 

Yes, they need Outlook plugins to talk to the backend. eg: You can use 
open source Open Xchange on the backend but you still need to cough up 
the money for Outlook to talk to OX.