tried right now on a clean SME9.1 VM, works for me, no dependency issue
[root@test ~]# yum --enablerepo=stephdl,epel,sogo3,fws install smeserver-sogo
Loaded plugins: fastestmirror, smeserver
Existing lock /var/run/yum.pid: another copy is running as pid 2514.
Another app is currently holding the yum lock; waiting for it to exit...
The other application is: yum
Memory : 20 M RSS (795 MB VSZ)
Started: Tue Apr 4 12:47:50 2017 - 00:02 ago
State : Sleeping, pid: 2514
Setting up Install Process
Loading mirror speeds from cached hostfile
* base: mirror.yannic-bonenberger.com
* epel: ftp.nluug.nl
* smeaddons: ftp.nluug.nl
* smeextras: ftp.nluug.nl
* smeos: ftp.nluug.nl
* smeupdates: ftp.nluug.nl
* updates: ftp.rrzn.uni-hannover.de
epel | 4.3 kB 00:00
epel/primary_db | 5.9 MB 00:06
fws | 2.5 kB 00:00
sogo3 | 951 B 00:00
sogo3/primary | 9.4 kB 00:00
sogo3 43/43
stephdl | 2.9 kB 00:00
stephdl/primary_db | 130 kB 00:00
Resolving Dependencies
--> Running transaction check
---> Package smeserver-sogo.noarch 9:1.4-2.el6.sme will be installed
--> Processing Dependency: sogo >= 2.3.0 for package: 9:smeserver-sogo-1.4-2.el6.sme.noarch
--> Processing Dependency: sope49-gdl1-mysql for package: 9:smeserver-sogo-1.4-2.el6.sme.noarch
--> Processing Dependency: sogo-tool for package: 9:smeserver-sogo-1.4-2.el6.sme.noarch
--> Processing Dependency: sogo-ealarms-notify for package: 9:smeserver-sogo-1.4-2.el6.sme.noarch
--> Processing Dependency: sogo-activesync for package: 9:smeserver-sogo-1.4-2.el6.sme.noarch
--> Processing Dependency: smeserver-dovecot-extras for package: 9:smeserver-sogo-1.4-2.el6.sme.noarch
--> Processing Dependency: python-memcached for package: 9:smeserver-sogo-1.4-2.el6.sme.noarch
--> Processing Dependency: memcached for package: 9:smeserver-sogo-1.4-2.el6.sme.noarch
--> Running transaction check
---> Package memcached.x86_64 0:1.4.4-3.el6_8.1 will be installed
---> Package python-memcached.noarch 0:1.43-6.el6 will be installed
---> Package smeserver-dovecot-extras.noarch 0:0.1.1-1.el6.sme will be installed
--> Processing Dependency: dovecot-pigeonhole for package: smeserver-dovecot-extras-0.1.1-1.el6.sme.noarch
---> Package sogo.x86_64 0:3.2.8.20170404-1.centos6 will be installed
--> Processing Dependency: sope49-gdl1-contentstore >= 3.2.8.20170404 for package: sogo-3.2.8.20170404-1.centos6.x86_64
--> Processing Dependency: sope49-cards >= 3.2.8.20170404 for package: sogo-3.2.8.20170404-1.centos6.x86_64
--> Processing Dependency: gnustep-base >= 1.23 for package: sogo-3.2.8.20170404-1.centos6.x86_64
--> Processing Dependency: sope49-sbjson for package: sogo-3.2.8.20170404-1.centos6.x86_64
--> Processing Dependency: lasso for package: sogo-3.2.8.20170404-1.centos6.x86_64
--> Processing Dependency: sope49-core for package: sogo-3.2.8.20170404-1.centos6.x86_64
--> Processing Dependency: libmemcached for package: sogo-3.2.8.20170404-1.centos6.x86_64
--> Processing Dependency: sope49-ldap for package: sogo-3.2.8.20170404-1.centos6.x86_64
--> Processing Dependency: sope49-appserver for package: sogo-3.2.8.20170404-1.centos6.x86_64
---> Package sogo-activesync.x86_64 0:3.2.8.20170404-1.centos6 will be installed
--> Processing Dependency: libwbxml for package: sogo-activesync-3.2.8.20170404-1.centos6.x86_64
---> Package sogo-ealarms-notify.x86_64 0:3.2.8.20170404-1.centos6 will be installed
---> Package sogo-tool.x86_64 0:3.2.8.20170404-1.centos6 will be installed
---> Package sope49-gdl1-mysql.x86_64 0:4.9-20170324_1664.el6.1 will be installed
--> Processing Dependency: sope49-gdl1 for package: sope49-gdl1-mysql-4.9-20170324_1664.el6.1.x86_64
--> Running transaction check
---> Package dovecot-pigeonhole.x86_64 1:2.0.9-22.el6 will be installed
---> Package gnustep-base.x86_64 0:1.23.0-1 will be installed
--> Processing Dependency: gnustep-make >= 2.6.0 for package: gnustep-base-1.23.0-1.x86_64
--> Processing Dependency: libobjc.so.2()(64bit) for package: gnustep-base-1.23.0-1.x86_64
---> Package lasso.x86_64 0:2.4.0-6.el6 will be installed
--> Processing Dependency: libxmlsec1.so.1()(64bit) for package: lasso-2.4.0-6.el6.x86_64
--> Processing Dependency: libxmlsec1-openssl.so.1()(64bit) for package: lasso-2.4.0-6.el6.x86_64
---> Package libmemcached.x86_64 0:1.0.18-1 will be installed
---> Package libwbxml.x86_64 0:0.11.2-4.centos6 will be installed
---> Package sope49-appserver.x86_64 0:4.9-20170324_1664.el6.1 will be installed
--> Processing Dependency: sope49-mime for package: sope49-appserver-4.9-20170324_1664.el6.1.x86_64
--> Processing Dependency: sope49-xml for package: sope49-appserver-4.9-20170324_1664.el6.1.x86_64
---> Package sope49-cards.x86_64 0:3.2.8.20170404-1.centos6 will be installed
---> Package sope49-core.x86_64 0:4.9-20170324_1664.el6.1 will be installed
---> Package sope49-gdl1.x86_64 0:4.9-20170324_1664.el6.1 will be installed
---> Package sope49-gdl1-contentstore.x86_64 0:3.2.8.20170404-1.centos6 will be installed
---> Package sope49-ldap.x86_64 0:4.9-20170324_1664.el6.1 will be installed
---> Package sope49-sbjson.x86_64 0:2.3.1-20170324_1664.el6.1 will be installed
--> Running transaction check
---> Package gnustep-make.x86_64 0:2.6.8-1.el6 will be installed
--> Processing Dependency: gnustep-filesystem(x86-64) = 2.6.8-1.el6 for package: gnustep-make-2.6.8-1.el6.x86_64
---> Package libobjc.x86_64 0:4.4.7-17.el6 will be installed
---> Package sope49-mime.x86_64 0:4.9-20170324_1664.el6.1 will be installed
---> Package sope49-xml.x86_64 0:4.9-20170324_1664.el6.1 will be installed
---> Package xmlsec1.x86_64 0:1.2.20-4.el6 will be installed
---> Package xmlsec1-openssl.x86_64 0:1.2.20-4.el6 will be installed
--> Running transaction check
---> Package gnustep-filesystem.x86_64 0:2.6.8-1.el6 will be installed
--> Finished Dependency Resolution
Dependencies Resolved
========================================================================================================================================================================
Package Arch Version Repository Size
========================================================================================================================================================================
Installing:
smeserver-sogo noarch 9:1.4-2.el6.sme stephdl 58 k
Installing for dependencies:
dovecot-pigeonhole x86_64 1:2.0.9-22.el6 base 100 k
gnustep-base x86_64 1.23.0-1 sogo3 1.6 M
gnustep-filesystem x86_64 2.6.8-1.el6 epel 37 k
gnustep-make x86_64 2.6.8-1.el6 epel 255 k
lasso x86_64 2.4.0-6.el6 base 177 k
libmemcached x86_64 1.0.18-1 sogo3 169 k
libobjc x86_64 4.4.7-17.el6 base 92 k
libwbxml x86_64 0.11.2-4.centos6 sogo3 91 k
memcached x86_64 1.4.4-3.el6_8.1 updates 68 k
python-memcached noarch 1.43-6.el6 base 32 k
smeserver-dovecot-extras noarch 0.1.1-1.el6.sme stephdl 9.5 k
sogo x86_64 3.2.8.20170404-1.centos6 sogo3 22 M
sogo-activesync x86_64 3.2.8.20170404-1.centos6 sogo3 129 k
sogo-ealarms-notify x86_64 3.2.8.20170404-1.centos6 sogo3 12 k
sogo-tool x86_64 3.2.8.20170404-1.centos6 sogo3 53 k
sope49-appserver x86_64 4.9-20170324_1664.el6.1 sogo3 879 k
sope49-cards x86_64 3.2.8.20170404-1.centos6 sogo3 175 k
sope49-core x86_64 4.9-20170324_1664.el6.1 sogo3 320 k
sope49-gdl1 x86_64 4.9-20170324_1664.el6.1 sogo3 158 k
sope49-gdl1-contentstore x86_64 3.2.8.20170404-1.centos6 sogo3 62 k
sope49-gdl1-mysql x86_64 4.9-20170324_1664.el6.1 sogo3 33 k
sope49-ldap x86_64 4.9-20170324_1664.el6.1 sogo3 49 k
sope49-mime x86_64 4.9-20170324_1664.el6.1 sogo3 285 k
sope49-sbjson x86_64 2.3.1-20170324_1664.el6.1 sogo3 18 k
sope49-xml x86_64 4.9-20170324_1664.el6.1 sogo3 188 k
xmlsec1 x86_64 1.2.20-4.el6 base 174 k
xmlsec1-openssl x86_64 1.2.20-4.el6 base 75 k
Transaction Summary
========================================================================================================================================================================
Install 28 Package(s)
Total download size: 27 M
Installed size: 73 M
Is this ok [y/N]: