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

Provides :
application()
application(kmail_view.desktop)
application(org.kde.kmail-refresh-settings.desktop)
application(org.kde.kmail2.desktop)
kmail
kmail(x86-32)
kmail5
libkmailprivate.so.5
metainfo()
metainfo(org.kde.kmail2.appdata.xml)
mimehandler(application/mbox)
mimehandler(application/x-mimearchive)
mimehandler(message/rfc822)
mimehandler(x-scheme-handler/mailto)

Requires :

/sbin/ldconfig
/sbin/ldconfig
kdepim-addons
kdepim-runtime
kmail-account-wizard
kmail-application-icons
ktextaddons
libKF5Bookmarks.so.5
libKF5CalendarCore.so.5
libKF5Codecs.so.5
libKF5Completion.so.5
libKF5ConfigCore.so.5
libKF5ConfigGui.so.5
libKF5ConfigWidgets.so.5
libKF5Contacts.so.5
libKF5CoreAddons.so.5
libKF5Crash.so.5
libKF5DBusAddons.so.5
libKF5GuiAddons.so.5
libKF5I18n.so.5
libKF5IconThemes.so.5
libKF5ItemModels.so.5
libKF5ItemViews.so.5
libKF5JobWidgets.so.5
libKF5KCMUtils.so.5
libKF5KIOCore.so.5
libKF5KIOFileWidgets.so.5
libKF5KIOGui.so.5
libKF5KIOWidgets.so.5
libKF5Notifications.so.5
libKF5NotifyConfig.so.5
libKF5Parts.so.5
libKF5Service.so.5
libKF5SonnetUi.so.5
libKF5TextAutoCorrectionCore.so.1
libKF5TextAutoCorrectionWidgets.so.1
libKF5TextWidgets.so.5
libKF5WidgetsAddons.so.5
libKF5WindowSystem.so.5
libKF5XmlGui.so.5
libKPim5AkonadiAgentBase.so.5
libKPim5AkonadiContact.so.5
libKPim5AkonadiCore.so.5
libKPim5AkonadiMime.so.5
libKPim5AkonadiSearchDebug.so.5
libKPim5AkonadiSearchPIM.so.5
libKPim5AkonadiWidgets.so.5
libKPim5CalendarUtils.so.5
libKPim5ContactEditor.so.5
libKPim5Gravatar.so.5
libKPim5IdentityManagement.so.5
libKPim5IdentityManagementWidgets.so.5
libKPim5KSieveUi.so.5
libKPim5KontactInterface.so.5
libKPim5Ldap.so.5
libKPim5Libkdepim.so.5
libKPim5Libkleo.so.5
libKPim5MailCommon.so.5
libKPim5MailTransport.so.5
libKPim5MessageComposer.so.5
libKPim5MessageCore.so.5
libKPim5MessageList.so.5
libKPim5MessageViewer.so.5
libKPim5Mime.so.5
libKPim5MimeTreeParser.so.5
libKPim5PimCommon.so.5
libKPim5PimCommonAkonadi.so.5
libKPim5TemplateParser.so.5
libKPim5TextEdit.so.5
libKPim5WebEngineViewer.so.5
libQt5Core.so.5
libQt5Core.so.5(Qt_5)
libQt5Core.so.5(Qt_5.15)
libQt5DBus.so.5
libQt5DBus.so.5(Qt_5)
libQt5Gui.so.5
libQt5Gui.so.5(Qt_5)
libQt5Network.so.5
libQt5Network.so.5(Qt_5)
libQt5WebEngineCore.so.5
libQt5WebEngineCore.so.5(Qt_5)
libQt5Widgets.so.5
libQt5Widgets.so.5(Qt_5)
libQt5Xml.so.5
libQt5Xml.so.5(Qt_5)
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_2.32)
libc.so.6(GLIBC_2.34)
libc.so.6(GLIBC_2.4)
libgcc_s.so.1
libgcc_s.so.1(GCC_3.0)
libgcc_s.so.1(GCC_3.3.1)
libgpgmepp.so.6
libkmailprivate.so.5
libqgpgme.so.15
libqt5keychain.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_3.4.14)
libstdc++.so.6(GLIBCXX_3.4.18)
libstdc++.so.6(GLIBCXX_3.4.29)
libstdc++.so.6(GLIBCXX_3.4.32)
messagelib = 23.08.4
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/bin/akonadi_archivemail_agent
/usr/bin/akonadi_followupreminder_agent
/usr/bin/akonadi_mailfilter_agent
/usr/bin/akonadi_mailmerge_agent
/usr/bin/akonadi_sendlater_agent
/usr/bin/akonadi_unifiedmailbox_agent
/usr/bin/kmail
/usr/bin/kmail-refresh-settings
/usr/lib/libkmailprivate.so.5
/usr/lib/libkmailprivate.so.5.24.4
/usr/lib/qt5/plugins/kmailpart.so
/usr/lib/qt5/plugins/pim5
/usr/lib/qt5/plugins/pim5/akonadi
/usr/lib/qt5/plugins/pim5/akonadi/config
/usr/lib/qt5/plugins/pim5/akonadi/config/archivemailagentconfig.so
/usr/lib/qt5/plugins/pim5/akonadi/config/followupreminderagentconfig.so
/usr/lib/qt5/plugins/pim5/kcms
/usr/lib/qt5/plugins/pim5/kcms/kmail
/usr/lib/qt5/plugins/pim5/kcms/kmail/kcm_kmail_accounts.so
/usr/lib/qt5/plugins/pim5/kcms/kmail/kcm_kmail_appearance.so
/usr/lib/qt5/plugins/pim5/kcms/kmail/kcm_kmail_composer.so
/usr/lib/qt5/plugins/pim5/kcms/kmail/kcm_kmail_misc.so
/usr/lib/qt5/plugins/pim5/kcms/kmail/kcm_kmail_plugins.so
/usr/lib/qt5/plugins/pim5/kcms/kmail/kcm_kmail_security.so
/usr/lib/qt5/plugins/pim5/kcms/summary
/usr/lib/qt5/plugins/pim5/kcms/summary/kcmkmailsummary.so
/usr/lib/qt5/plugins/pim5/kcms/summary/kcmkontactsummary.so
/usr/lib/qt5/plugins/pim5/kontact
/usr/lib/qt5/plugins/pim5/kontact/kontact_kmailplugin.so
/usr/lib/qt5/plugins/pim5/kontact/kontact_summaryplugin.so
There is 167 files more in these RPM.