Automatically flag someone as a spammer if their posts get at least X spam flags from N users while their trust level is 'new user'. Staff can clear and set this status from the user record in admin.

lib/guardian.rb

@@ -133,6 +133,14 @@ class Guardian
     can_administer?(user) && not(user.moderator?)
   end
 
+  def can_block_user?(user)
+    user && is_staff? && not(user.staff?)
+  end
+
+  def can_unblock_user?(user)
+    user && is_staff?
+  end
+
   def can_delete_user?(user_to_delete)
     can_administer?(user_to_delete) && user_to_delete.post_count <= 0
   end
@@ -211,8 +219,16 @@ class Guardian
     is_staff?
   end
 
+  def can_create_topic?(parent)
+    can_create_post?(parent)
+  end
+
+  def can_create_post?(parent)
+    !SpamRulesEnforcer.block?(@user)
+  end
+
   def can_create_post_on_topic?(topic)
-    is_staff? || not(topic.closed? || topic.archived?)
+    is_staff? || (not(topic.closed? || topic.archived?) && can_create_post?(topic))
   end
 
   # Editing Methods