111. The apparatus of claim 95 , further comprising one or more stored sequences of instructions which, when executed by the one or more processors, cause the one or more processors to carry out the step of sending a request for the reputation score of the message sender to a service for determining the reputation of the message sender, and wherein the step of obtaining the reputation score of the message sender comprises receiving a response to the request for the reputation score of the message sender from the service for determining a reputation of the message sender.
111. The apparatus of claim 95 , further comprising one or more stored sequences of instructions which, when executed by the one or more processors, cause the one or more processors to carry out the step of sending a request for the reputation score of the message sender to a service for determining the reputation of the message sender, and wherein the step of obtaining the reputation score of the message sender comprises receiving a response to the request for the reputation score of the message sender from the service for determining a reputation of the message sender. 112. The apparatus of claim 111 , wherein the step of sending the request for the reputation score of the message sender comprises sending a DNS request and receiving the response to the request for the reputation score of the message sender comprises receiving a DNS response.