17. The apparatus of claim 15 , wherein the one or more input items includes metadata of the electronic message, user account information, a number of lists, or a combination thereof.
17. The apparatus of claim 15 , wherein the one or more input items includes metadata of the electronic message, user account information, a number of lists, or a combination thereof. 18. The apparatus of claim 17 , wherein the number of lists includes a block list to identify message senders to be blocked, a safe list for identifying message senders to be allowed, or a combination thereof.