http://wordpress.org/extend/plugins/constant-contact/
http://ecommerce.destinyassoc.com/constant-contact-integration-for-wordpress-p-289.html
This plugin looks like it might do what you are looking for
The holidays have come and gone. For many seasonal businesses, this means the rush of shoppers has decreased as well. Instead of turning off the lights and waiting for spring, make your email marketi...
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