Mail server configuration for VPS Ubuntu Server 12.04

Closed - This job posting has been filled and work has been completed.

Job Description

Hello, it is my first installation of a linux server following "the perfect server - ubuntu 12.04 LTS (Apache2, BIND, Dovecot, ISPConfig 3) and the mail is not working properly.

I need it to be fixed.
I'd like to learn how to configure it by my self,.. I will be a good student :-)

Thank you for your interest!

Skills: mail-servers, server-administration