I can not install dkim-milter, I'm using CentOS 5.8 x64bit
[root @ server ~] # yum install dkim-milter
Loaded plugins: fastestmirror, security
Loading mirror speeds from cached hostfile
* base: mirror.ubiquityservers.com
* epel: fedora-epel.mirror.lstn.net
* extras: centos.den.host-engine.com
* rpmforge: mirror.nexcess.net
* updates: mirror.sanctuaryhost.com
Setting up Install Process
No package dkim-milter available.
Nothing to doa
How to solve?