Mail server setup with postfix
This article provides steps to install complete mail server environment. Install CentOS6 with minimal installation Disable selinux sed -i -e 's/enforcing/disabled/' /etc/sysconfig/selinux Import GPG keys rpm --import /etc/pki/rpm-gpg/RPM-GPG-KEY* Enable RPMforge rpm --import http://dag.wieers.com/rpm/packages/RPM-GPG-KEY.dag.txt wget http://pkgs.repoforge.org/rpmforge-release/rpmforge-release-0.5.2-2.el6.rf.x86_64.rpm rpm -ivh rpmforge-release-0.5.2-2.el6.rf.x86_64.rpm Enable EPEL rpm --import https://fedoraproject.org/static/0608B895.txt wget http://dl.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm rpm -ivh epel-release-6-8.noarch.rpm Install yum-porities (Important to overcome package conflict) yum install yum-priorities Set EPEL to priority 10 [epel] name=Extra Packages for Enterprise Linux 6 - $basearch #baseurl=http://download.fedoraproject.org/pub/epel/6/$basearch mirrorlist=https://mirrors.fedoraproject.org/metalink?repo=e