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

Provides :
lib64kpim6messageviewer6
lib64kpim6messageviewer6(x86-64)
libKPim6MessageViewer.so.6()(64bit)

Requires :

libKF6Codecs.so.6()(64bit)
libKF6ColorScheme.so.6()(64bit)
libKF6ConfigCore.so.6()(64bit)
libKF6ConfigGui.so.6()(64bit)
libKF6ConfigWidgets.so.6()(64bit)
libKF6Contacts.so.6()(64bit)
libKF6CoreAddons.so.6()(64bit)
libKF6I18n.so.6()(64bit)
libKF6IconThemes.so.6()(64bit)
libKF6ItemViews.so.6()(64bit)
libKF6JobWidgets.so.6()(64bit)
libKF6KIOCore.so.6()(64bit)
libKF6KIOFileWidgets.so.6()(64bit)
libKF6KIOGui.so.6()(64bit)
libKF6KIOWidgets.so.6()(64bit)
libKF6Service.so.6()(64bit)
libKF6SyntaxHighlighting.so.6()(64bit)
libKF6TextAddonsWidgets.so.1()(64bit)
libKF6TextCustomEditor.so.1()(64bit)
libKF6TextEditTextToSpeech.so.1()(64bit)
libKF6TextTemplate.so.6()(64bit)
libKF6WidgetsAddons.so.6()(64bit)
libKF6XmlGui.so.6()(64bit)
libKPim6AkonadiContactCore.so.6()(64bit)
libKPim6AkonadiContactWidgets.so.6()(64bit)
libKPim6AkonadiCore.so.6()(64bit)
libKPim6AkonadiMime.so.6()(64bit)
libKPim6GrantleeTheme.so.6()(64bit)
libKPim6Gravatar.so.6()(64bit)
libKPim6IdentityManagementCore.so.6()(64bit)
libKPim6Libkleo.so.6()(64bit)
libKPim6Mbox.so.6()(64bit)
libKPim6MessageCore.so.6()(64bit)
libKPim6Mime.so.6()(64bit)
libKPim6MimeTreeParser.so.6()(64bit)
libKPim6PimCommon.so.6()(64bit)
libKPim6TextEdit.so.6()(64bit)
libKPim6WebEngineViewer.so.6()(64bit)
libQt6Core.so.6()(64bit)
libQt6Core.so.6(Qt_6)(64bit)
libQt6Core.so.6(Qt_6.6)(64bit)
libQt6Gui.so.6()(64bit)
libQt6Gui.so.6(Qt_6)(64bit)
libQt6Network.so.6()(64bit)
libQt6Network.so.6(Qt_6)(64bit)
libQt6PrintSupport.so.6()(64bit)
libQt6PrintSupport.so.6(Qt_6)(64bit)
libQt6WebEngineCore.so.6()(64bit)
libQt6WebEngineCore.so.6(Qt_6)(64bit)
libQt6WebEngineWidgets.so.6()(64bit)
libQt6WebEngineWidgets.so.6(Qt_6)(64bit)
libQt6Widgets.so.6()(64bit)
libQt6Widgets.so.6(Qt_6)(64bit)
libc.so.6()(64bit)
libc.so.6(GLIBC_2.11)(64bit)
libc.so.6(GLIBC_2.14)(64bit)
libc.so.6(GLIBC_2.2.5)(64bit)
libc.so.6(GLIBC_2.3.4)(64bit)
libc.so.6(GLIBC_2.32)(64bit)
libc.so.6(GLIBC_2.4)(64bit)
libgcc_s.so.1()(64bit)
libgcc_s.so.1(GCC_3.0)(64bit)
libgpgmepp.so.6()(64bit)
libqca-qt6.so.2()(64bit)
libqgpgmeqt6.so.15()(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)
libstdc++.so.6(GLIBCXX_3.4.14)(64bit)
libstdc++.so.6(GLIBCXX_3.4.20)(64bit)
libstdc++.so.6(GLIBCXX_3.4.21)(64bit)
libstdc++.so.6(GLIBCXX_3.4.29)(64bit)
messagelib >= 2:24.02.0
rpmlib(CompressedFileNames) <= 3.0.4-1
rpmlib(FileDigests) <= 4.6.0-1
rpmlib(PayloadFilesHavePrefix) <= 4.0-1
rpmlib(PayloadIsZstd) <= 5.4.18-1

Content of RPM :
/usr/lib/.build-id
/usr/lib/.build-id/5d
/usr/lib/.build-id/5d/4a0af1f59a36ecb67f56215f6f868715fc0356
/usr/lib64/libKPim6MessageViewer.so.6
/usr/lib64/libKPim6MessageViewer.so.6.0.0