Hello,
I'm having a problem with the notification email alert, that is currently literally spamming me.
I don't see anything wrong with my system but I might be wrong. The problem is I'm getting, a new email every 2 or 3 minutes :
Even though I thought my notification settings didn't include whatever that notification is : 
The is what's inside the email I receive :
"
The system monitoring needs your attention.
Host: \Hanekawa.pace
Date: Sat, 06 Jun 2020 12:35:40
Service: nginx
Event: Connection failed
Description: failed protocol test [HTTP] at [127.0.0.1]:443 [TCP/IP TLS] -- HTTP: Error receiving data -- Connection timed out
This triggered the monitoring system to: restart
—
You have received this notification because you have enabled the system monitoring on this host.
To change your notification preferences, please go to the 'System | Notification' or 'System | Monitoring' page in the web interface"
I unchecked enable in the "Monitoring" tab and saved. But I'm still receiving the emails.