E-MAIL FIREWALL WITH POLICY-BASED CRYPTOSECURITY

E-MAIL FIREWALL WITH POLICY-BASED CRYPTOSECURITY

An e-mail firewall applies policies to e-mail messages between a first site and second sites in accordance with administrator selectable policies. The firewall includes a simple mail transfer protocol relay for causing the e-mail messages to be transmitted between the first site and selected ones of...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: DICKINSON, III ROBERT D, KRISHNAMURTHY SATHVIK
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRIC DIGITAL DATA PROCESSING
ELECTRICITY
PHYSICS
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Beschreibung
Zusammenfassung:An e-mail firewall applies policies to e-mail messages between a first site and second sites in accordance with administrator selectable policies. The firewall includes a simple mail transfer protocol relay for causing the e-mail messages to be transmitted between the first site and selected ones of the second sites. Policy managers enforce-administrator selectable policies relative to one or more of encryption and decryption, signature, source/destination, content and viruses.