You can select the times of the day and the days of the week the recipient is available to receive the notification messages. You can modify the schedule after the recipient is configured by editing recipient notification properties.
See About configuring recipients for notification in DLO.
To schedule notification for recipients
On the Recipient Properties dialog box, under the Limit when notifications can be sent group box, click Enable to activate the option.
You can access the Recipient Properties dialog box from the Tools > Recipients menu.
You can select any combination of Include work days, Include weeknights, or Include weekends, or click any single hour of the chart to select or clear that hour.