Tag Schedule
On Tag Schedule tab, configure the schedule to enable event marks creation associated with the SMTP protocol events. The created marks will be available in the Web client, the Desktop client, and in the mobile apps for iOS and Android.

The Tag Schedule tab
To configure a schedule, select the Plus + icon of a relevant week day and edit time with the sliders. You can specify multiple periods throughout the day. To do this, select the Plus button next to the timeline on the right side.
If no schedule is defined for a specific day, event marks will be displayed throughout that day.
To save the changes, select Save.