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

Provides :
kmailtransport
kmailtransport(x86-32)
libKPim6MailTransport.so.6

Requires :

libKF6Completion.so.6
libKF6ConfigCore.so.6
libKF6ConfigGui.so.6
libKF6ConfigWidgets.so.6
libKF6CoreAddons.so.6
libKF6I18n.so.6
libKF6KIOCore.so.6
libKF6KIOWidgets.so.6
libKF6WidgetsAddons.so.6
libKPim6GAPICore.so.6
libKPim6MailTransport.so.6
libKPim6SMTP.so.6
libQt6Core.so.6
libQt6Core.so.6(Qt_6)
libQt6Core.so.6(Qt_6.8)
libQt6DBus.so.6
libQt6DBus.so.6(Qt_6)
libQt6Gui.so.6
libQt6Gui.so.6(Qt_6)
libQt6Network.so.6
libQt6Network.so.6(Qt_6)
libQt6Widgets.so.6
libQt6Widgets.so.6(Qt_6)
libc.so.6
libc.so.6(GLIBC_2.0)
libc.so.6(GLIBC_2.1.3)
libc.so.6(GLIBC_2.3.4)
libc.so.6(GLIBC_2.4)
libc.so.6(GLIBC_ABI_DT_RELR)
libqt6keychain.so.1
libstdc++.so.6
libstdc++.so.6(CXXABI_1.3)
libstdc++.so.6(CXXABI_1.3.9)
libstdc++.so.6(GLIBCXX_3.4)
libstdc++.so.6(GLIBCXX_3.4.30)
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/lib/.build-id
/usr/lib/.build-id/5f
/usr/lib/.build-id/5f/a48987a691578bb7b089757678327c6497038a
/usr/lib/.build-id/62
/usr/lib/.build-id/62/a2889ba932f7a86b8681e46ed5f0a52c6fc20d
/usr/lib/libKPim6MailTransport.so.6
/usr/lib/libKPim6MailTransport.so.6.3.1
/usr/lib/qt6/plugins/pim6
/usr/lib/qt6/plugins/pim6/mailtransport/mailtransport_smtpplugin.so
/usr/share/config.kcfg/mailtransport.kcfg
/usr/share/licenses/kmailtransport
/usr/share/licenses/kmailtransport/BSD-3-Clause.txt
/usr/share/licenses/kmailtransport/CC0-1.0.txt
/usr/share/licenses/kmailtransport/LGPL-2.0-or-later.txt
/usr/share/licenses/kmailtransport/LGPL-2.1-or-later.txt
/usr/share/locale/ar/LC_MESSAGES/libmailtransport6.mo
/usr/share/locale/ast/LC_MESSAGES/libmailtransport6.mo
/usr/share/locale/be/LC_MESSAGES/libmailtransport6.mo
/usr/share/locale/bg/LC_MESSAGES/libmailtransport6.mo
/usr/share/locale/bs/LC_MESSAGES/libmailtransport6.mo
/usr/share/locale/ca/LC_MESSAGES/libmailtransport6.mo
/usr/share/locale/ca@valencia/LC_MESSAGES/libmailtransport6.mo
/usr/share/locale/cs/LC_MESSAGES/libmailtransport6.mo
/usr/share/locale/da/LC_MESSAGES/libmailtransport6.mo
/usr/share/locale/de/LC_MESSAGES/libmailtransport6.mo
/usr/share/locale/el/LC_MESSAGES/libmailtransport6.mo
/usr/share/locale/en_GB/LC_MESSAGES/libmailtransport6.mo
/usr/share/locale/eo/LC_MESSAGES/libmailtransport6.mo
/usr/share/locale/es/LC_MESSAGES/libmailtransport6.mo
/usr/share/locale/et/LC_MESSAGES/libmailtransport6.mo
There is 47 files more in these RPM.