1
Nikolai Paul Christenson, Scott Ernest Lystig Fritchie, James Stephen Larson: Electronic mail system with methodology providing distributed message store. Sendmail, John A Smart, October 3, 2006: US07117246 (203 worldwide citation)

An electronic mail system with a methodology providing distributed message storage and processing is described. In particular, this methodology breaks up how the individual components of message data are stored. Message data itself is broken up into two parts: a metadata (mutable) portion, and an im ...


2
Murray Kucherawy: E-mail system providing filtering methodology on a per-domain basis. Sendmail, John A Smart, December 5, 2006: US07146402 (56 worldwide citation)

An e-mail system is described that includes a flow control filter, which is particularly suited for filtering on a per-domain (host) basis. During processing of incoming e-mail, each child MTA process created to handle a particular new connection connects to a flow control filter service, so that it ...


3
Claus Assmann: Electronic mail system with authentication/encryption methodology for allowing connections to/from a message transfer agent. Sendmail, John A Smart, January 10, 2006: US06986037 (26 worldwide citation)

An electronic mail (“e-mail”) system is described that enforces authentication or encryption to/from Mail Transfer Agents and from Mail User Agents. In one embodiment, for example, an electronic mail (e-mail) system is described that comprises: a message transfer agent (MTA) available for a client t ...


4
Mark Delany, Murray Kucherawy: Electronic mail system with improved methodology for processing messages with mailing lists. Sendmail, John A Smart, December 2, 2003: US06658454 (20 worldwide citation)

An electronic mail (“e-mail”) system providing improved methodology for processing messages sent to mailing lists is described. The system include an “Injector” component which serves to “inject” messages into one or more Message Transfer Agents (MTAs). The system's Mailing List Manager (MLM), ...


5
Murray Kucherawy: E-mail system with methodology for accelerating mass mailings. Sendmail, John A Smart, June 6, 2006: US07058687 (15 worldwide citation)

An e-mail system is described that includes a mass-mail accelerator (MMA), which is particularly suited for processing mass e-mailings. Instead of being posted to a message transfer agent (MTA), outgoing messages are instead passed to the MMA for carrying out highly parallel e-mail delivery/routing. ...


6
Claus Assmann: Electronic mail system with authentication methodology for supporting relaying in a message transfer agent. Sendmail, John A Smart, March 8, 2005: US06865671 (13 worldwide citation)

An electronic mail (“e-mail”) system is described that provides a methodology that allows the system to determine when it is appropriate to relay e-mail messages, particularly from “roaming” users. In basic operation, the methodology of the present invention first checks whether the client has been ...


7
Murray S Kucherawy: Configuration rule generation with compressed address sets. Sendmail, Kilpatrick Townsend & Stockton, January 10, 2012: US08095677 (2 worldwide citation)

Techniques for compressing a set of input addresses to generate a set of one or more rules for various network applications and tools such as routers, firewalls, and others. A tree is generated based upon a set of input addresses. A set of one or more rules may be generated based upon the generated ...


8
Claus Assmann: Apparatus and method for dynamic removal and addition of electronic messaging services. Sendmail, Kilpatrick Townsend & Stockton, July 16, 2013: US08489928

A computerized method for electronic communication includes issuing via a mail client a set of extensions in a command to a MX server for an initial electronic communication; determining in the mail client one or more of the extensions, which failed; and for a subsequent electronic communication bet ...