Patent ID: 8560616
Filing Date: 2013-10-15
Classification: H04L

Abstract:
1. A method for selecting an Internet protocol (“IP”) address for sending an outbound e-mail message based on sender reputation, the method comprising executing instructions on one or more computers to perform the operations of: dividing a range of reputation scores into a plurality of reputation segments, each reputation segment comprising a span of reputation scores; assigning an equal number of IP addresses from a pool of IP addresses to each of the plurality of reputation segments; periodically adjusting the span of reputation scores of one or more of the plurality of reputation segments based on historical data regarding a volume of e-mail messages sent by sender reputation score; receiving a sender reputation score regarding a sender of the outbound e-mail message; determining a reputation segment in the plurality of reputation segments having the span of reputation scores encompassing the received sender reputation score; and selecting an IP address from the IP addresses assigned to the reputation segment to be utilized as a source IP address in sending the outbound e-mail message, wherein the selection is made using a random selection function or a round-robin algorithm.