Filter-in method for reducing junk e-mail
DCFirst Claim
1. A method for preventing the delivery of unwanted electronic mail messages to a destination client, said method comprising the steps of:
- receiving an original electronic mail message from a source client at a destination server;
sending a reply electronic mail message from said destination server to said source client requesting that said source client complete a registration process;
monitoring the response of said source client to said request to complete a registration process to determine whether said source client properly responds to said request; and
sending said original electronic mail message from said destination server to said destination client only if said source client properly responds to said request to complete a registration process.
13 Assignments
Litigations
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Accused Products
Abstract
A method is provided for preventing the delivery of unwanted electronic mail messages to a destination client. An original electronic mail message is first received from a source client at a destination server. Next, a reply electronic mail message is sent from the destination server to the source client requesting the source client to complete a registration process to register the source client'"'"'s electronic mail address with the destination server. The original electronic mail message is only sent from the destination server to the destination client when the source client properly registers the source client'"'"'s electronic mail address.
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Citations
18 Claims
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1. A method for preventing the delivery of unwanted electronic mail messages to a destination client, said method comprising the steps of:
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receiving an original electronic mail message from a source client at a destination server; sending a reply electronic mail message from said destination server to said source client requesting that said source client complete a registration process; monitoring the response of said source client to said request to complete a registration process to determine whether said source client properly responds to said request; and sending said original electronic mail message from said destination server to said destination client only if said source client properly responds to said request to complete a registration process. - View Dependent Claims (2, 3, 4)
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5. A method for preventing the delivery of unwanted electronic mail messages to a destination client comprising the steps of:
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receiving an original electronic mail message addressed to a destination client from a source client having an electronic mail address at a destination server; comparing said electronic mail address of said source client to an accept list of electronic mail addresses; sending said original electronic mail message to said destination client when said electronic mail address of said source client is on said accept list; sending a reply electronic mail message from said destination server to said source client requesting that said source client complete a registration process when said electronic mail address of said source client is not on said accept list; monitoring the response of said source client to said request to complete a registration process to determine whether said source client properly responds to said request; and sending said original electronic mail message from said destination server to said destination client only if said source client properly responds to said request to complete a registration process. - View Dependent Claims (6, 7, 8, 9, 10, 11)
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12. A method for preventing the delivery of unwanted electronic mail messages to a destination client comprising the steps of:
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receiving an original electronic mail message addressed to a destination client from a source client having an electronic mail address at a destination server; comparing said electronic mail address of said source client to an accept list of electronic mail addresses; sending said original electronic mail message to said destination client when said electronic mail address of said source client is on said accept list; comparing said electronic mail address of said source client to a reject list of electronic mail addresses when said electronic address of said source client is not on said accept list; deleting said original message when said electronic mail address of said source client is on said reject list; sending a reply electronic mail message from said destination server to said source client requesting that said source client complete a registration process when said electronic mail address of said source client is not on said reject list; monitoring the response of said source client to said request to complete a registration process to determine whether said source client properly responds to said request; and sending said original electronic mail message from said destination server to said destination client only if said source client properly responds to said request to complete a registration process. - View Dependent Claims (13, 14, 15, 16, 17, 18)
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Specification