Loaded plugins: fastestmirror, priorities
Setting up Install Process
Loading mirror speeds from cached hostfile
* base: mirror.saglayici.com
* epel: mirrors.hustunique.com
* extras: mirror.saglayici.com
* updates: mirror.fibersunucu.com.tr
Resolving Dependencies
--> Running transaction check
---> Package postfix.x86_64 2:2.6.6-6.el6_7.1 will be installed
--> Processing Dependency: mysql-libs for package: 2:postfix-2.6.6-6.el6_7.1.x86_64
--> Processing Dependency: libmysqlclient.so.16(libmysqlclient_16)(64bit) for package: 2:postfix-2.6.6-6.el6_7.1.x86_64
--> Processing Dependency: libmysqlclient.so.16()(64bit) for package: 2:postfix-2.6.6-6.el6_7.1.x86_64
--> Finished Dependency Resolution
Error: Package: 2:postfix-2.6.6-6.el6_7.1.x86_64 (updates)
Requires: libmysqlclient.so.16()(64bit)
Error: Package: 2:postfix-2.6.6-6.el6_7.1.x86_64 (updates)
Requires: mysql-libs
Error: Package: 2:postfix-2.6.6-6.el6_7.1.x86_64 (updates)
Requires: libmysqlclient.so.16(libmysqlclient_16)(64bit)
You could try using --skip-broken to work around the problem
You could try running: rpm -Va --nofiles --nodigest