If the Trengo application is minimized and you receive a new message from any channel in Trengo. We receive 1 notification at the bottom right of your screen. This is just for a couple of seconds. If you miss this notification you don't know that you have a new message. This has a negative effect on the reaction time.
We like to see something like Outlook has, they have an envelope at the toolbar when you have a new email. We suggest the same for the Trengo app at the toolbar.
I know that you can set a rule that sends an email at every new notification, but I think this is not the right way. This is just an alternative to get around the problem. And if you want to add the mail in your Trengo account then this no longer works.