diff --git a/spec/domain/mail_relay/address_list_spec.rb b/spec/domain/mail_relay/address_list_spec.rb
index 281d2d1..c6d18a9 100644
--- a/spec/domain/mail_relay/address_list_spec.rb
+++ b/spec/domain/mail_relay/address_list_spec.rb
@@ -69,6 +69,14 @@
         new_manager.email
       ])
     end
+
+    it 'contains only manager emails when managed has no email' do
+      managed.update!(email: nil)
+      
+      expect(entries(managed)).to match_array([
+        manager.email
+      ])
+    end
   end
 
   def entries(people = Person.all, labels = [])