Enable snaps on KDE Neon and install a1fbox-spamblock
Snaps are applications packaged with all their dependencies to run on all popular Linux distributions from a single build. They update automatically and roll back gracefully.
Snaps are discoverable and installable from the Snap Store, an app store with an audience of millions.
Enable snapd
Snap can be installed from the command line. Open the Konsole terminal and enter the following:
sudo apt update
sudo apt install snapd
Install a1fbox-spamblock
To install a1fbox-spamblock, simply use the following command: