Goal
Define a system-wide message limit that restricts how many messages a contact can receive across all groups within a specified time frame.
Procedure
Go to Messages > Limitations.
Click Create new Limitation.
From Maximum Number of Messages, choose the number of messages.
From Time Range in Days, choose the time range.
Click Save & close.
The new message limitation has been created. You can create multiple limitations, and the strictest limit always applies