An Email List That Sparkles: 10 Tips for Building and Maintaining a Quality Email List
http://cdemails.com/articles/3119/1/An-Email-List-That-Sparkles-10-Tips-for-Building-and-Maintaining-a-Quality-Email-List/Page1.html
Constant Contact
Constant Contact®, Inc. helps small businesses, associations, and nonprofits connect with their customers, clients, and members. Launched in 1998, Constant Contact champions the needs of small organizations and provides them with an easy and affordable way to build successful, lasting customer relationships. By Constant Contact
Published on 07/14/2008
Your email list is one of the most important assets you have, and a high-quality list is worth its weight in gold. What exactly is a quality list? It's made up of valid email addresses to which you have clear permission to send specific content.