Listcast - http://www.listcast.com/
A fully-managed, secure email list service that enables you to send personalized, targeted emails based on your list members' interests and demographics.
ListChannel Network - http://www.listchannel.com/
Your one stop source for subscribing, publishing and advertising in the best email publications on the Internet.
Your Mailing List Provider - http://www.yourmailinglistprovider.com/
Manage, send and track your email newsletter with a easy-to-use email newsletter software.