Installing and setting up Dovecot in RHEL 4 or CentOS 4 is easy. All we have to do is to enable the services we would like to provide and we are good to go.
1. If you did not add dovecot during the CentOS installation, you can add it now. Dovecot is located in the package Mail Server. Learn how to add or remove applications here.Installing and setting up Postfix SMTP Server in RHEL 4 or CentOS 4 is easy. Postfix has secure default settings so we just need to open it up a bit.
1. If you did not add postfix and system-switch-mail-gnome during the CentOS installation, you can add it now. Postfix is located in the package Mail Server while system-switch-mail-gnome is in X Windows System. Learn how to add or remove applications here.Red Hat Enterprise Linux 4 and its derivative CentOS 4 includes an extensive list of applications that can be easily added or removed. This guide will show you how to do it using the Package Management tool.
1. Click Applications, select System Settings and click Add/Remove Applications. This will launch the Package Management window.Starting and stopping services is easy in Red Hat Enterprise Linux 4 and its derivative CentOS 4. Both has the Service Configuration tool for simplifying service administration.
1. Click Applications, select System Settings, select Server Settings and click Services. This will launch the Service Configuration window.After successfully installing Red Hat Enterprise Linux 4 or CentOS 4, we still have to configure it the first time we use it. The steps below will guide you in setting it up.
1. Click Next in the Welcome window.After getting a copy of the CentOS 4 Linux or Red Hat Enterprise Linux 4, the steps below describes how to install it from scratch.
1. Boot your computer from the CentOS 4 CD 1 and press Enter on the CentOS boot up screen. This will install CentOS in graphical mode.A partition is a subdivision on a hard disk. Each Linux partition except the swap partition requires a mount point.
This page will show you how to setup a mail server with antispam and antivirus capabilities and can be integrated into Active Directory.
You can use either Red Hat Enterprise Linux 4 or CentOS 4. This guide will also work with CentOS 4.1, 4.2, 4.3, 4.4 and 4.5. RHEL 4 can be purchased from Red Hat and comes with support. CentOS 4 on the other hand can be downloaded here.
To simplify our administration tasks, log in as the user root and specify your root password. This is not the recommended way of administering a Linux box, but for the tasks at hand it is the most efficient way.
These are the standard mail services and the guides below will show you how to install them.
Install Webmin if you want a web-based interface to manage your mail accounts.These are great add-ons that will benefit your mail users.
You can greatly reduce the volume of spam and viruses reaching your mail server if you are willing to give up something. If you are willing to have your mail delayed (time), install Postgrey. If you are willing to spend (money), get the Barracuda Spam Firewall.
Before deploying your new mail server, see Mail Server Checklist to ensure your new mail server will have a good sending reputation and can be trusted.
Integrating Active Directory into your mail server will turn your Linux email server into a lean and mean Exchange like server.
A client asked me to reinstall their mail server. Their existing mail server using Microsoft Exchange 2000 on Windows 2000 Server was frequently down. Whenever it was up, it performed badly. It performed so bad that it took minutes just to check mails and learn they have no new mail.
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