http://www.idealscience.com/site/store/product.aspx?productID=15&catID=2

Retail price $1999

# Single Site Multiple Servers (server farms)
# Ideal List Server LITE (Email List Server Engine.)
# Active Directory Support.
# No logo's or annoying banners. (None of our branding.)
# All source included (including COM object source.)

Also this license includes lifetime upgrades.

You dont have to put Powered By IdealScience copyright and support clustering.

Taking offers above 400

PM or email me with offers, anyone offers me 400 or more the first will get it.

Also if you want to verified my license you can contact ideal science, with my email to verified it.

admin@REMOVETHISewdi.org

remove REMOVETHIS on the email