The PR_EMS_AB_MDB_BACKOFF_INTERVAL property contains the number of minutes the information store waits before resending a message to the gateway.
| Header file: | EMSABTAG.H |
| Applies to: | Mail-Gateway objects (directory objects). These objects appear to MAPI as messaging_user objects, which are accessible through the MAPI IMailUser interface. |
| Identifier: | 0x80cf |
| Property type: | PT_LONG |
| Access: | Read/write |
When the number of unread messages in a gateway's mailbox folders (MTS-IN, MTS-OUT, etc) reaches the limit set by PR_EMS_AB_MDB_UNREAD_LIMIT, the information store stops the transfer of messages from the MTA to the gateway for the length of time specified by the PR_EMS_AB_MDB_BACKOFF_INTERVAL property.