Do not disturb doesn't work for all apps

https://preview.redd.it/z38o3cf14v6e1.png?width=1372&format=png&auto=webp&s=554b7e6af990adc59f98f784acc0b0fac59163e1 Hi All, i'm not sure if I'm doing something wrong, but I can't seem to get my email client to be silent at night. I'm not sure if I'm missing something. I want it on during the day and to use automator with an apple script is cumbersome and prone to messing up if my mac is off at the time it's supposed to enable or disable. Is it not supposed to silence all notifications?