CT's Tech Notes

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...

Qmail is a popular mail service among the opensource community. It is a security-focused MTA engine. Based on my project requirements, I need to setup complete Email solution with webmail, POP3 and IMAP. Preparation 1. Get a public IP from your ISP 2. Domain registration (e.g Enom, Godaddy, Namecheap) 3. Check your MX, SPF and Reverse DNS MX record for mail domain Reverse DNS IP (PTR) must request to ISP because IP address is owned by ISP. Setup For this setup, Redhat 9 is installed as a based OS and followed Qmailrocks steps  www. qmail rocks.org . Qmailrocks provides very details steps to achieve fully functional Mail Service. Key components Qmail/Qmailadmin Autoresponder Vpopmail, Vqadmin (host multiple domains) Maildrop (mail filtering) Courier-imap (IMAP service) SquirrelMail (Webmail client) Clam Antivirus SpamAssassin Ref: www. qmail .org www.lifewith qmail .org www. qmail rocks.org