Replacing an email attachment with an address specifying...

Replacing large bit component of electronic mail (e-mail) messag

Replicating message queues between clustered email gateway...

Reporting the state of an apparatus to a remote computer

Reprocessing of messages in an extensible message transfer...

Responding to electronic mail messages

Restricting the volume of outbound electronic messages...

Retaining mail for availability after relay

Retention management for instant messages

Retrieving information for processing a received electronic...

RFID wireless control of instant messaging

Routing and displaying messages for multiple concurrent...

Routing instant messages using configurable, pluggable...

Routing messages using presence information

Routing of messages using unified messaging

Routing of network messages

Routing T-37 E-mail over an H 323 (VOIP) network

Routing T-37 E-mail over an H 323 (VOIP) network

Rules-based synchronization of mailboxes in a data network

Saving un-viewed instant messages