Install kmailtransport-akonadi by entering the following commands in the terminal:
sudo apt update sudo apt install kmailtransport-akonadi
Description:
mail transport akonadi library
Mailtransport is a library that provides the following functionality: . * Shared mail transport settings. * GUI elements to configure mail transport settings. * Job classes for mail sending. . This package contains the akonadi plugin.
Homepage: https://projects.kde.org/projects/kde/pim/kmailtransport
Version: 17.12.3-0ubuntu4
Section: universe/libs