Electrical computers and digital processing systems: multicomput – Computer conferencing – Demand based messaging
Reexamination Certificate
2011-01-04
2011-01-04
Tran, Philip B (Department: 2455)
Electrical computers and digital processing systems: multicomput
Computer conferencing
Demand based messaging
C709S203000, C709S245000, C713S155000, C713S176000
Reexamination Certificate
active
07865557
ABSTRACT:
A server transmits a message from a sender to a destination address. During transmission, the server and the destination address have a dialog constituting an attachment, via a particular one of SMTP and ESMTP protocols, concerning the message, the server and the destination address. The message passes through servers between the server and the destination address. This passage is included in the attachment. Verifiers are provided for the message and for the attachments. The verifiers may constitute encrypted hashes of the message and of the attachment. The sender receives the message, the attachments and the verifications from the server before authentication and transmits the message, the attachments and the verifiers to the server to obtain authentication by the server. The server operates on the message and the message verifier to authenticate the message and operates on the attachments and the attachments' verifier to verify the attachments.
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Author—Giorgio Cevenini, et al.; Entitled—“A MultiProvider, Universal, E-Mail Service for the Secure Exchange of Legally-Binding Multimedia Documents”, Dated—May 2000; Entire Document.
Author K. Moore, University of Tennessee; Entitled—“An Extensible Message Format for Delivery Status Notifications”; Dated—Jan. 1996.
Fitzgerald John K.
Fulwider Patton LLP
Rpost international Limited
Tran Philip B
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