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Keeping your subscriber lists clean means more effective sending. Email services evaluate the quality of what you send based on how many of their users interact with your email. If lots of subscribers simply never open your email, your reputation will be downgraded. For this reason, Serious Email gives you a handy tool to eliminate the subscribers that just aren't responding.
Go to your Subscribers ManagerThis is located here: Subscribers Manager
Find the Subscriber List you want to cleanYou can use the Campaign drop down to navigate to each of your Campaigns, or Unassigned (those that have not been assigned to a specific Campaign), or choose "Show All". Alternatively you can use the Search input to search by Subscriber List name.
Click the Tools ButtonOnce you've found the list you want to clean, click the Tools button. The Tools button will reveal several options. One is "Clean List".
Click "Clean List"This will open a modal window with various options.
Choose the type of subscribers to removeYour options are these:
Click "Clean"Your selected options will be executed.
About List MaintenancePeriodically cleaning your lists will improve deliver-ability and keep your costs down.