req Outbound Recipient

1.3.6.1.4.1.334.3.1.2.2.1.13

Identifies one of the recipients (the one to be tracked) of the message in its transmitted form, expressed in string format. The style and format of this identifier varies according to a specific messaging technology. As a result of potentially disparate messaging technologies, this identifier is only guaranteed to be the name an end-user knows the recipient by on the last MTA in the delivery sequence. Set to an empty (zero length) string if unknown or irrelevant to query.