Fix unsubscriber get mail bug.

lib/tasks/e_paper_tasks.rake

@@ -12,7 +12,7 @@ namespace :epaper do
 		domain = args[:domain]
 		if !paper.nil?
 			email_format = /^[A-Za-z0-9+_.-]+@[A-Za-z0-9.-]+$/
-			subscribers = EPaperSubscriber.where(:language.in=>paper.language_to_send,:email.nin=>['',nil])
+			subscribers = EPaperSubscriber.where(:language.in=>paper.language_to_send,:email.nin=>['',nil],:subscribed.ne=>false)
 			subscribers.update_all(:last_paper_sent => paper.id.to_s)
 			emails = subscribers.collect(&:email)
 			site = Site.first