You can look at using software from a few companies that provide listserv type software
- <div>http://www.smartertools.com (they have basic lists built into their Smartermail product)</div>
- <div>www.lsoft.com</div>
- <div>http://lyris.com/ (a bit pricy)</div>
- <div>http://www.gnu.org/software/mailman/download.html (mostly used in *nix, not sure if they have a windows port).</div>
- <div>http://sourceforge.net (search this site, there might be something else.)</div>