"when the replies are added they are not getting notified. "This would be: New Message Alert.You have it enabled.As you can see the: last respondent, Assigned Agent -or- Team, Department Manager, and Organization Account Manager are set to receive an notice. Are you using Teams? If not then its likelt the last person taht responded, the assigned agent (if they aren't the same person), the Department Manager, and the Organization AccMan should be getting an email.You have not shown us the settings for the department that the ticket is assigned to.Admin panel -> Agents -> Department -> The department the ticket is assigned to.Have you checked New Message?