==== Conclusion ====
You should now be able to log in to your account via webmail. There will be 2 messages, one is a welcome and the other is a SPAM test to show it's working. I forgot to mention that you can access the mail server from any email client (i.e. Thunderbird, MS Outlook, etc) as well within your network.
<b>NOTE:</b> These scripts were adapted from a tutorial authored by Falko Timme at [http://www.howtoforge.com/virtual-users-domains-postfix-courier-mysql-squirrelmail-fedora-12-x86_64 http://www.howtoforge.com/virtual-users-domains-postfix-courier-mysql-squirrelmail-fedora-12-x86_64].