MarsSeed [1] filed a deletion request for k9copy [2]: Discontinued since 2014. Broken as of now. Depends on kdelibs4support, which is EOL and won't be supported KDE Plasma 6, coming in a few months.
[1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/k9copy/
