Pushover itself provides a basic email gateway (send to USER_TOKEN@api.pushover.net), but it does not support custom prioritiesnotifications are sent with default priority. To send emails as Pushover notifications with custom priorities (ranging
Returned results that meet the alerts defined threshold should send email notifications to target recipients. The email alert should dynamically set the email priority based on the...

Have mail sorted by priority.Auto-label email as urgent. If you want to prioritize email from certain people, you can let Gmail filter those email addresses for you and label them accordingly.

Moving forward, it's essential to keep these visual contexts in mind when discussing Priority Email Notification.
Priority email displayed at a glance. Organize. Find better ways to work with Done Marker and Set Aside, while managing your time with Send Later and Reminders.

Email Notifications for Different Priority Levels. If you send a Broadcast through email, the email notification members receive will look different based on the Broadcasts priority level.
I wanted to create an automation that would send an email notification to all the participants once the issue priority level has been changed so as to infor the intesity of importance of the issue.
You can quickly see emails that are high priority or need a reply when you select the icon to the left of the bell notification at the top of your email list.