Newsletter for each Coupon category in Coupon Manager extension
Updates for Coupon extension: Newsletter feature added
Send message to users in one go with custom newsletters for each category. Just select a category, and users from that category will be automatically selected and added.
Prepare your newsletters with WYSIWIG Editor and tags.
Manage your subscribers.
One-click Sending.
http://www.joomla6teen.com/Coupon-Manager-for-Joomla.html