How can i give a mailing list solution to my customers, i do not want that they send mails from the web servers, i want to setup another server in a remote dc and let them be able to manage mailing lists from the remote server

Windows based will be a plus but it is not a must.


Regards

http://www.gnu.org/software/mailman/
Details how to use you can find on their site
:)

Good luck