diff --git a/app/controllers/email_events_controller.rb b/app/controllers/email_events_controller.rb
index d76fc80b..de3d4ecf 100644
--- a/app/controllers/email_events_controller.rb
+++ b/app/controllers/email_events_controller.rb
@@ -32,7 +32,7 @@ def mailgun_params
 
   def process_bounce
     @user.increment(:emails_bounced)
-    @user.frequency = [] if @user.is_free?
+    @user.frequency = [] if @user.is_free? || @user.emails_bounced > 20
     @user.save
   end