Hmm ... It's impossible ;-) This RPM doesn't exist on any FTP server

Provides :
application()
application(org.kde.mboximporter.desktop)
mbox-importer
mbox-importer(x86-64)
mimehandler(application/mbox)

Requires :

libKF6ConfigCore.so.6()(64bit)
libKF6ConfigWidgets.so.6()(64bit)
libKF6CoreAddons.so.6()(64bit)
libKF6Crash.so.6()(64bit)
libKF6I18n.so.6()(64bit)
libKF6IconThemes.so.6()(64bit)
libKF6WidgetsAddons.so.6()(64bit)
libKPim6AkonadiCore.so.6()(64bit)
libKPim6IdentityManagementCore.so.6()(64bit)
libKPim6MailCommon.so.6()(64bit)
libKPim6MailImporter.so.6()(64bit)
libKPim6MailImporterAkonadi.so.6()(64bit)
libQt6Core.so.6()(64bit)
libQt6Core.so.6(Qt_6)(64bit)
libQt6Core.so.6(Qt_6.8)(64bit)
libQt6Gui.so.6()(64bit)
libQt6Gui.so.6(Qt_6)(64bit)
libQt6Widgets.so.6()(64bit)
libQt6Widgets.so.6(Qt_6)(64bit)
libc.so.6()(64bit)
libc.so.6(GLIBC_2.2.5)(64bit)
libc.so.6(GLIBC_2.34)(64bit)
libc.so.6(GLIBC_2.4)(64bit)
libc.so.6(GLIBC_ABI_DT_RELR)(64bit)
libgcc_s.so.1()(64bit)
libgcc_s.so.1(GCC_3.0)(64bit)
libgcc_s.so.1(GCC_3.3.1)(64bit)
libstdc++.so.6()(64bit)
libstdc++.so.6(CXXABI_1.3)(64bit)
libstdc++.so.6(CXXABI_1.3.9)(64bit)
libstdc++.so.6(GLIBCXX_3.4)(64bit)
rpmlib(CompressedFileNames) <= 3.0.4-1
rpmlib(FileDigests) <= 4.6.0-1
rpmlib(PayloadFilesHavePrefix) <= 4.0-1
rpmlib(PayloadIsZstd) <= 5.4.18-1
rtld(GNU_HASH)

Content of RPM :
/usr/bin/mboximporter
/usr/lib/.build-id
/usr/lib/.build-id/b2
/usr/lib/.build-id/b2/9989ee99a829e44b348a696eebe0425d4831e7
/usr/share/applications/org.kde.mboximporter.desktop
/usr/share/licenses/mbox-importer
/usr/share/licenses/mbox-importer/BSD-3-Clause.txt
/usr/share/licenses/mbox-importer/CC0-1.0.txt
/usr/share/licenses/mbox-importer/GPL-2.0-or-later.txt
/usr/share/locale/ar/LC_MESSAGES/mboximporter.mo
/usr/share/locale/ast/LC_MESSAGES/mboximporter.mo
/usr/share/locale/bg/LC_MESSAGES/mboximporter.mo
/usr/share/locale/bs/LC_MESSAGES/mboximporter.mo
/usr/share/locale/ca/LC_MESSAGES/mboximporter.mo
/usr/share/locale/ca@valencia/LC_MESSAGES/mboximporter.mo
/usr/share/locale/cs/LC_MESSAGES/mboximporter.mo
/usr/share/locale/da/LC_MESSAGES/mboximporter.mo
/usr/share/locale/de/LC_MESSAGES/mboximporter.mo
/usr/share/locale/el/LC_MESSAGES/mboximporter.mo
/usr/share/locale/en_GB/LC_MESSAGES/mboximporter.mo
/usr/share/locale/eo/LC_MESSAGES/mboximporter.mo
/usr/share/locale/es/LC_MESSAGES/mboximporter.mo
/usr/share/locale/et/LC_MESSAGES/mboximporter.mo
/usr/share/locale/eu/LC_MESSAGES/mboximporter.mo
/usr/share/locale/fi/LC_MESSAGES/mboximporter.mo
/usr/share/locale/fr/LC_MESSAGES/mboximporter.mo
/usr/share/locale/gl/LC_MESSAGES/mboximporter.mo
/usr/share/locale/he/LC_MESSAGES/mboximporter.mo
/usr/share/locale/hi/LC_MESSAGES/mboximporter.mo
/usr/share/locale/hu/LC_MESSAGES/mboximporter.mo
There is 30 files more in these RPM.