Your LHA / LNK Series DVR / NVR email settings can be configured so that email notifications are only sent at certain times / days. You can set separate schedules for motion events and system warnings per channel.
To configure an email schedule:
In the taskbar, click the Main Menu icon (), and then click Settings > Network > Email Schedule.
In the Channel drop-down, select a channel to set the email schedule for.
Select Motion to edit the motion notification schedule, or Warning to edit the system warning notification schedule.
Click and drag on different days to customize recording schedules. The schedule is set up as a grid, with each block representing one hour.
Click Save to set your email schedule.