Full functional LAN set up

For few days, I was trying to implement some important things to implement in the LAN of CSE Discipline, Khulna University. I was trying to develop a fully functional computer network. Such one network will contain the following entities:

A Web server

Here is the necessary help for that
1. http://blog.ifitcangowrong.com/windows/install-iis-60-on-windows-server-2003
2. http://technet.microsoft.com/en-us/library/aa998483%28EXCHG.65%29.aspx
3. http://www.microsoft.com/technet/prodtechnol/WindowsServer2003/Library/IIS/750d3137-462c-491d-b6c7-5f370d7f26cd.mspx?mfr=true

A DNS Server

Here is necessary help for that I think:
1.http://www.petri.co.il/install_and_configure_windows_2003_dns_server.htm
2.http://helpdeskgeek.com/networking/install-and-configure-dns-on-windows-server-2003/
3. http://support.microsoft.com/kb/814591

An Email sever (POP and SMTP)

1. http://www.ilopia.com/Articles/WindowsServer2003/EmailServer.aspx
2. http://www.windowsreference.com/windows-server-2003/step-by-step-email-server-setup-in-windows-server-2003/
3. http://articles.techrepublic.com.com/5100-10878_11-5035180.html
4. http://www.windowsnetworking.com/articles_tutorials/Windows_POP3_Service.html