E-mail marketing - Wikipedia
- Encyclopedia article about the topic, including advantages and disadvantages, along with a glossary of industry terms.
- http://en.wikipedia.org/wiki/E-mail_marketing

Lead Generation Tips
- Collection of step-by-step lead generation plans, including autoresponder setup, viral marketing, and effective ways to maximize list profits.
- http://www.lead-generation-tips.com

Email Sender and Provider Coalition
- Formed to fight spam while protecting the delivery of legitimate email. Press room, list of members, and resources.
- http://www.espcoalition.org/

The Email Experience Council
- Professional organization that strives to enhance the image of email marketing and communications. Resources, initiatives and standards, events, and news.
- http://www.emailexperience.org/

Email Marketing Reports
- Find a report, book, newsletter or website on permission-based email marketing.
- http://www.email-marketing-reports.com/