WangGuard - Wysija Newsletter Connector is a plugin for connect WangGuard plugin with Wysija Newsletter.
Verify Wysija subscribers before adding them to your Wysija subscribers list by checking against the WangGuard service that each new subscriber is not reported as a known Splogger or unwanted user.
Well, connecting WangGuard and Wysija, you will be able send activations emails and newsletter only a real people, That means it will reduce greatly the risk of being flagged as spam server (Black listed).
You will find in this plugin a very easy way to connect your plugin with WangGuard plugin. If your plugin has a form, maybe you can be interested in use WangGuard. Please, never use WangGuard for check Trackbacks or Pingbacks.