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

Provides :
samba-winbind-clients
samba-winbind-clients(x86-32)
samba4-winbind-clients

Requires :

samba-common-libs = 4.8.3-6.el7_6
libsamba-security-samba4.so(SAMBA_4.8.3)
libwbclient.so.0(WBCLIENT_0.10)
libpthread.so.0
libsamba-hostconfig.so.0(SAMBA_HOSTCONFIG_0.0.1)
libgse-samba4.so(SAMBA_4.8.3)
samba-client-libs = 4.8.3-6.el7_6
libgensec-samba4.so(SAMBA_4.8.3)
rtld(GNU_HASH)
libauthkrb5-samba4.so
libreplace-samba4.so
libc.so.6(GLIBC_2.4)
libsamba-hostconfig.so.0
libsamba3-util-samba4.so(SAMBA_4.8.3)
libgenrand-samba4.so(SAMBA_4.8.3)
libc.so.6(GLIBC_2.1.3)
libpopt.so.0(LIBPOPT_0)
rpmlib(PayloadIsXz) <= 5.2-1
libreplace-samba4.so(SAMBA_4.8.3)
libkrb5.so.3
libsmbconf.so.0
libwbclient.so.0(WBCLIENT_0.12)
libsamba-errors.so.1
libkrb5.so.3(krb5_3_MIT)
samba-winbind = 4.8.3-6.el7_6
libsamba-util.so.0
libgenrand-samba4.so
libtalloc.so.2
libwbclient.so.0(WBCLIENT_0.13)
libcliauth-samba4.so
libwbclient.so.0(WBCLIENT_0.9)
libwbclient = 4.8.3-6.el7_6
samba-libs = 4.8.3-6.el7_6
libc.so.6(GLIBC_2.0)
libtalloc.so.2(TALLOC_2.0.2)
libwinbind-client-samba4.so
libgensec-samba4.so
libpopt.so.0
libsmbconf.so.0(SMBCONF_0)
libsamba-debug-samba4.so
libwinbind-client-samba4.so(SAMBA_4.8.3)
libwbclient.so.0
libsamba3-util-samba4.so
libpthread.so.0(GLIBC_2.0)
rpmlib(PayloadFilesHavePrefix) <= 4.0-1
libc.so.6(GLIBC_2.8)
libpopt-samba3-samba4.so(SAMBA_4.8.3)
rpmlib(FileDigests) <= 4.6.0-1
rpmlib(CompressedFileNames) <= 3.0.4-1
libsamba-errors.so.1(SAMBA_ERRORS_1)
libsamba-debug-samba4.so(SAMBA_4.8.3)
samba-common = 4.8.3-6.el7_6
libsamba-util.so.0(SAMBA_UTIL_0.0.1)
libsamba-security-samba4.so
libcom_err.so.2
libauthkrb5-samba4.so(SAMBA_4.8.3)
libgse-samba4.so
libsamba-credentials.so.0(SAMBA_CREDENTIALS_0.0.1)
libcliauth-samba4.so(SAMBA_4.8.3)
libsamba-credentials.so.0
libc.so.6
libpopt-samba3-samba4.so
libc.so.6(GLIBC_2.3.4)

Content of RPM :
/usr/bin/ntlm_auth
/usr/bin/wbinfo
/usr/lib/samba/krb5/winbind_krb5_localauth.so
/usr/share/man/man1/ntlm_auth.1.gz
/usr/share/man/man1/wbinfo.1.gz
/usr/share/man/man8/winbind_krb5_localauth.8.gz