Command used to attempt to install zabbix postgresql based server version 3.2.4:

1. yum --disablerepo=* --enablerepo=zabbix install zabbix-server-pgsql
   Loaded plugins: aliases, changelog, nvidia, post-transaction-actions, priorities, refresh-packagekit, remove-with-leaves, security,
   : upgrade-helper, verify
   Setting up Install Process
   zabbix | 951 B 00:00
   zabbix/primary | 8.8 kB 00:00
   zabbix 66/66
   Resolving Dependencies
   --> Running transaction check
   ---> Package zabbix-server-pgsql.x86_64 0:3.2.4-1.el6 will be installed
   --> Finished Dependency Resolution

Dependencies Resolved

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Package Arch Version Repository Size
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Installing:
zabbix-server-pgsql x86_64 3.2.4-1.el6 zabbix 1.8 M

Transaction Summary
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Install 1 Package(s)

Total download size: 1.8 M
Installed size: 4.0 M
Is this ok [y/N]: y
Downloading Packages:
zabbix-server-pgsql-3.2.4-1.el6.x86_64.rpm | 1.8 MB 00:00
http://repo.zabbix.com/zabbix/3.2/rhel/6/x86_64/deprecated/zabbix-server-pgsql-3.2.4-1.el6.x86_64.rpm: [Errno -1] Package does not match intended download. Suggestion: run yum --enablerepo=zabbix clean metadata
Trying other mirror.

Error Downloading Packages:
zabbix-server-pgsql-3.2.4-1.el6.x86_64: failure: deprecated/zabbix-server-pgsql-3.2.4-1.el6.x86_64.rpm from zabbix: [Errno 256] No more mirrors to try.

Installation failure even after using yum suggestion of #yum --enablerepo=zabbix clean metadata