Patent application number | Description | Published |
20100174793 | Updating Hierarchical Whitelists - A system and method are disclosed for maintaining a whitelist, including: obtaining message data based on an email message sent by a user; extracting recipient information from message data; updating the whitelist using the recipient information. | 07-08-2010 |
20110231503 | EFFICIENT USE OF RESOURCES IN MESSAGE CLASSIFICATION - A system and method are disclosed for routing a message through a plurality of test methods. The method includes: receiving a message; applying a first test method to the message; updating a state of the message based on the first test method; and determining a second test method to be applied to the message based on the state. | 09-22-2011 |
20120331069 | PROBABILITY BASED WHITELIST - A system and method are disclosed for maintaining a whitelist, including: obtaining message data based on an email message sent by a user; extracting recipient information from message data; updating the whitelist using the recipient information. | 12-27-2012 |
20130191480 | MESSAGE CHALLENGE RESPONSE - A system and method are disclosed for registering a email sender for the purpose of sending an email message to an email receiver including receiving a challenge message wherein the challenge message includes a machine answerable question; processing the challenge message to determine that it is a challenge message sent for the purpose of authorizing delivery of the email message; analyzing the question to determine a valid response to the challenge message; and sending the valid response that includes the answer wherein a nontrivial amount of resources are required to send the valid response. | 07-25-2013 |
20130339458 | EFFICIENT USE OF RESOURCES IN MESSAGE CLASSIFICATION - A system and method are disclosed for routing a message through a plurality of test methods. The method includes: receiving a message; applying a first test method to the message; updating a state of the message based on the first test method; and determining a second test method to be applied to the message based on the state. | 12-19-2013 |
20140207892 | MESSAGE CHALLENGE RESPONSE - A system and method are disclosed for registering a email sender for the purpose of sending an email message to an email receiver including receiving a challenge message wherein the challenge message includes a machine answerable question; processing the challenge message to determine that it is a challenge message sent for the purpose of authorizing delivery of the email message; analyzing the question to determine a valid response to the challenge message; and sending the valid response that includes the answer wherein a nontrivial amount of resources are required to send the valid response. | 07-24-2014 |
20150341296 | PROBABILITY BASED WHITELIST - A system and method are disclosed for maintaining a whitelist, including: obtaining message data based on an email message sent by a user; extracting recipient information from message data; updating the whitelist using the recipient information. | 11-26-2015 |
20160099899 | EFFICIENT USE OF RESOURCES IN MESSAGE CLASSIFICATION - A system and method are disclosed for routing a message through a plurality of test methods. The method includes: receiving a message; applying a first test method to the message; updating a state of the message based on the first test method; and determining a second test method to be applied to the message based on the state. | 04-07-2016 |