Very easy to use and quick to setup. I have used it personally.
Mailman 3 - Dedicated Mailman 3 installation. Unlimited lists/configuration. Free subdomain at mailman3.com. Dedicated support for list admins.
Five Stars - Discover millions of rewards from thousands of local businesses.
MailChimp - MailChimp is the best way to design, send, and share email newsletters.
Preferred Patron - Preferred Patron is the top Customer Loyalty Software Program for businesses in any industry of any size.
Mailman - Mailman is free software for managing electronic mail discussion and e-newsletter lists.
Annex Cloud - Reward customers for completing traditional actions such as purchasing, as well as for taking...