CptnRon, 

Being able to control when your device gives notifications is everything, so we apologize for any trouble you're having with Message+ not abiding by your Do Not Disturb rules. So that we can provide the best help possible, we'll need to know some additional information. When did you begin having this trouble? What version Message+ do you have installed? Check by going to Menu(three lines upper left corner) > Settings and view the version number displayed in the bottom-center of the screen.

ShawnteJ_VZW
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