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

Provides :
application()
application(KMail2.desktop)
application(kmail_view.desktop)
kde4-kmail
kmail
kmail(x86-32)
libkmailprivate.so.4
mimehandler(application/mbox)
mimehandler(application/x-mimearchive)
mimehandler(message/rfc822)
mimehandler(x-scheme-handler/mailto)

Requires :

/bin/sh
/sbin/ldconfig
/sbin/ldconfig
/usr/bin/env
/usr/bin/perl
akonadi-runtime
kdebase4-runtime >= 4.14.0
kdebase4-workspace-libs
kdepim4-runtime = 4.14.10
kdepimlibs4 >= 4.14.0
libQtCore.so.4
libQtDBus.so.4
libQtGui.so.4
libQtNetwork.so.4
libQtXml.so.4
libakonadi-contact.so.4
libakonadi-kde.so.4
libakonadi-kmime.so.4
libakonadiprotocolinternals.so.1
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_2.34)
libc.so.6(GLIBC_2.4)
libfollowupreminder.so.4
libgcc_s.so.1
libgcc_s.so.1(GCC_3.0)
libgcc_s.so.1(GCC_3.3.1)
libgpgme++-pthread.so.2
libgpgme++.so.2
libkabc.so.4
libkcalcore.so.4
libkcalutils.so.4
libkcmutils.so.4
libkdecore.so.5
libkdepim.so.4
libkdepim4 = 4.14.10
libkdeui.so.5
libkio.so.5
libkleo.so.4
libkmailprivate.so.4
libkmime.so.4
libknotifyconfig.so.4
libkontactinterface.so.4
libkparts.so.4
libkpimidentities.so.4
libkpimtextedit.so.4
libkpimutils.so.4
libkprintutils.so.4
libksieveui.so.4
libmailcommon.so.4
libmailimporter.so.4
libmailtransport.so.4
libmessagecomposer.so.4
libmessagecore.so.4
libmessagelist.so.4
libmessageviewer.so.4
libpimcommon.so.4
libqt4-x11 >= 4.8.1
libsendlater.so.4
libsolid.so.4
libstdc++.so.6
libstdc++.so.6(CXXABI_1.3)
libstdc++.so.6(CXXABI_1.3.15)
libstdc++.so.6(CXXABI_1.3.9)
libstdc++.so.6(GLIBCXX_3.4)
libtemplateparser.so.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/kmail
/usr/bin/kmail_antivir.sh
/usr/bin/kmail_clamav.sh
/usr/bin/kmail_fprot.sh
/usr/bin/kmail_sav.sh
/usr/bin/kmailcvt
/usr/lib/kde4/kcm_kmail.so
/usr/lib/kde4/kcm_kpimidentities.so
/usr/lib/kde4/kmailpart.so
/usr/lib/kde4/kontact_kmailplugin.so
/usr/lib/libkmailprivate.so.4
/usr/lib/libkmailprivate.so.4.14.38
/usr/share/applications/kde4/KMail2.desktop
/usr/share/applications/kde4/kmail_view.desktop
/usr/share/dbus-1/interfaces/org.kde.kmail.kmail.xml
/usr/share/dbus-1/interfaces/org.kde.kmail.kmailpart.xml
/usr/share/doc/kde/HTML/en/kmail
/usr/share/doc/kde/HTML/en/kmail/accountwizard.png
/usr/share/doc/kde/HTML/en/kmail/aggregationtheme.png
/usr/share/doc/kde/HTML/en/kmail/common
/usr/share/doc/kde/HTML/en/kmail/configure.docbook
/usr/share/doc/kde/HTML/en/kmail/configure.png
/usr/share/doc/kde/HTML/en/kmail/credits-and-licenses.docbook
/usr/share/doc/kde/HTML/en/kmail/faq.docbook
/usr/share/doc/kde/HTML/en/kmail/folder-example.png
/usr/share/doc/kde/HTML/en/kmail/folder-properties.png
/usr/share/doc/kde/HTML/en/kmail/folderarchiveagent.png
/usr/share/doc/kde/HTML/en/kmail/getting-started.docbook
/usr/share/doc/kde/HTML/en/kmail/identitiesadvanced.png
/usr/share/doc/kde/HTML/en/kmail/identity.png
There is 98 files more in these RPM.