Updating hierarchical whitelists

Electrical computers and digital processing systems: multicomput – Computer conferencing – Demand based messaging

Reexamination Certificate

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Details

C709S203000

Reexamination Certificate

active

07962560

ABSTRACT:
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.

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