Use this guide to find root cause of email issues -> https://cyberpanel.net/docs/troubleshooting-cyberpanel/
Also you can use our Cloud Debugger to reset email settings and you also did not follow the bug report template, so we don't know your…
You can upgrade to v2.1-1usman branch and use the latest updated OWASP rules. I've removed comodo rules from CyberPanel as I've been told that even though rules are free Comodo team does not allow to distribute them.
Please read these two guide ->
https://cyberpanel.net/docs/6-self-signed-ssl-error-on-outlook-thunderbird/ (This may help you solve your issue on sen…
You can not install any control panel if some sort of LAMP stack is already installed be it cPanel or Plesk.
And you can install CyberPanel on an existing fresh instance using this guide -> https://cyberpanel.net/docs/installing-cyberpanel/
When you install CyberPanel, you don't need to install any other LAMP/LEMP stack. CP will take care of this.
Yes you can spin up another instance and install CyberPanel on it, the OS should be clean and better a minimal OS (Ubuntu 20.04)