you may want to first think of how you're going ot handle the mailing list itself and then figure out the details. You may want to take an already existing script and tweak/build on top of it.

check out:

Mail Man - http://list.org

Majordomo - http://greatcircle.com/majordomo

Subscribe Me - http://cgiscriptcenter.com

<shamless plug>
Mojo Mail http://mojo.skazat.com
</shamless plug>

-justin simoni
!skazat!