#1. "RE: Email marketing MLM" In response to Reply # 0
There are a lot of good an bad ESP's out there. (Email service providers) And they range from the dodgy end to the highly reputable. The answer to you question depend on where you are operating but my advise is to adopt good practices to build up a more target and useful list to send LESS email and get better results.
Examples are double opt in procedures to verify your list.