KDE Plasma - Adjust volume by mouse scroll on taskbar

See Panel Spacer Extended [Mouse actions/Gestures]

https://store.kde.org/p/2128047

Steps:

1. Right-click on desktop -> Enter Edit Mode
2. Add or Manager Widgets
3. Get New
4. Download New Plasma Widgets
5. Panel Spacer Extended [Mouse actions/Gestures]
6. Install
7. Add to panel and configure as below

 

 Steps to Configure Gmail SMTP Server:

1. Enable 2-Step Verification: Go to your Google Account settings, navigate to Security, and enable 2-Step Verification.
2. Generate an App Password: In the Security section, search for "App passwords". Create a new app (e.g."SMTP Setup") to generate a 16-character password. Copy this password, as you will not see it again.
3. Configure SMTP Settings: Enter the following details in your application or website:
   • SMTP Server: smtp.gmail.com
   • SMTP Port: 587 (for TLS) or 465 (for SSL)
   • Authentication: Yes (Required)
   • Username: Your full Gmail address (e.g.you@gmail.com)
   • Password: The 16-character App Password generated in Step 2
   • Encryption: TLS or SSL