David Padilla wrote:
I should have been more clear. I want to create direct subscription to announcement only lists, similiar to those see ALL over the net. You know those, add your e-mail and become subscirbed to our next newletter, or anouncement, etc.
Well in any event, you should confirm the subscription; otherwise anyone can subscribe anyone else to your list.
This is known as confirmed opt-in, and if you don't use a system like this, you're very likely to get booted by your ISP for spamming.