Login with Admin ID and Password
Maintain all your Campaigns, add, edit, delete.
Each Campaign has its own header, footer, and you add/delete messages here.
Maintain all your Email Messages here.
Each Message has both HTML and Text options. WYSIWYG editor makes it easy to add template messages.
Maintain Full Contact list, with user defined fields, and each contact can belong to as many campaigns as you desire.
See example of multiple Contact Groups, by Campaign.