Dear Friends, When I am running this command yum install --enablerepo=milter-manager-development -y milter-manager * So I am getting this error Message . * milter-manager/primary | 7.0 kB 00:01 milter-manager 40/40 http://downloads.sourceforge.net/project/milter-manager/centos/6/development/x86_64/repodata/repomd.xml: [Errno 14] PYCURL ERROR 22 - "The requested URL returned error: 404" Trying other mirror. Error: Cannot retrieve repository metadata (repomd.xml) for repository: milter-manager-development. Please verify its path and try again I have done. yum clean all and yum update also. I search on google but not getting any answer. Please help me to solve this problem. -- Thanks & Regards Jitendra Jha +91-7498370550