Spam prevention
First Claim
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1. A data control system in which unauthorized messages are restricted.
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Abstract
Multiple inventions are included. Also users of an email system are limited in ways including to be able to send only a certain number of emails per day. This can ensure for example that if they spam the system they can be suspended before they can send an economically worthwhile amount of spam.
190 Citations
17 Claims
- 1. A data control system in which unauthorized messages are restricted.
- 10. A data control system in which hashes are made of authorized identifiers and displayed in a repository.
- 15. A data control system in which a computer connects to a proxy server that takes the computer'"'"'s DNS request for IP addresses and returns a dummy identifier to them.
Specification