kmail from openSUSE:Backports:SLE-15:Update project
Seleccione o seu sistema operativo
Engadir repositorio e instalar manualmente
Para standard execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/openSUSE:Backports:SLE-15:Update/standard/openSUSE:Backports:SLE-15:Update.repo zypper refresh zypper install kmail