how to build good Ubuntu mail server for windows clients?

[Thibaut]

Nay Myo Win wrote:
> for the time being . just local use, interoffice communication.
>
>
> How to set up also LDAP server for that mail account also?
>
> all clients will be windows and they will use outlook express or MS 
> outlook to use that mail.

You are going to find useful informations here :
http://www.google.fr/search?q=mail+server+site:howtoforge.com

Thibaut Lassalle