Microsoft Technology Licensing, LLC

Shubhankar Sanyal

Wilbert De Graaf

Gregory Gourevitch

Jeremy De Souza

Charlie Ricafort Chung

A system is provided for enabling a source MTA to communicate with a target MTA via an SMTP proxy using SMTP commands for transmitting email messages in a networked environment. An email message may be received by a source mail transport agent (MTA) and the source MTA may route the incoming email message to a target MTA via an SMTP proxy. The SMTP proxy may serve as an intermediary proxy server for enabling the source MTA to communicate with an external and internal target MTA. The SMTP proxy may connect to a target MTA via a connection command, and the SMTP proxy may implement custom SMTP commands to communicate additional information about the source MTA to the target MTA. The system may additionally enable the SMTP proxy to perform actions designated by the SMTP commands and to communicate the result of the SMTP proxy's actions back to the source MTA.

Enabling communication between source and target mail transfer agents

Architecture that enables data handling according to types of social relationships. A social graph is used to categorize the types of the social relationships of the tagged messaging users. The social graph can include social relationship categories for friends, family, coworkers, and blocked individuals of the recipient, for example. The social graph can also include metadata related to the tagged users. The metadata defines the social relationship of the tagged users to the recipient. Delivery of messages to the recipient from the tagged messaging users is managed based on the social graph. Delivery management can include blocking messages, allowing the messages through, or delivering the messages with high or low priority, for example. Email messages can be delivered to respective email locations based on the social graph. User information can be imported and/or mined from external sources to augment the social graph.

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Redmond, WA, United States of America

Shubhankar Sanyal