There is no automatic way for a site to get this important information. Here's a short list of ideas for assembling your own e-mail marketing list. Notice that these are hardly original. Some are adapted for online marketing. Most can probably be worked successfully.
Web users are hyper-sensitive about commercial abuse.
Assure them that you're responsible, and do this at the start. Don't deviate from what you've promised. Just don't do it. Copyright 1996-2001 Horizons Unlimited Group . All Rights Reserved.