Linux Mail Server Setup and Howto Guide

Secure Sockets Layer (SSL) enables the HTTP protocol to be secured. This page will show you how to configure SSL in Apache and SquirrelMail.

This page will show you how to configure the ldap-chpasswd included in the SquirrelMail Change Password plugin. The ldap-chpasswd can change an LDAP server password. If you have not yet installed this plugin, see the SquirrelMail Change Password Howto.

This page will show you how to configure the ldap-chpasswd included in the SquirrelMail Change Password plugin. The ldap-chpasswd can change an Active Directory or LDAP server password. If you have not yet installed this plugin, see the SquirrelMail Change Password Howto.

The SquirrelMail Change_passwd plugin, originally written by Thiago Melo de Paula, allows users to change his/her system password in /etc/passwd or /etc/shadow from SquirrelMail. This updated version includes the ability to change Active Directory and LDAP passwords.

Shows how to install the CAPTCHA SquirrelMail plugin by Paul Lesniewski. A CAPTCHA input is placed on the login screen to detect whether or not a human is attempting to log in. CAPTCHA stands for Completely Automated Public Turing to tell Computers from Humans Apart. It helps prevent automated login attacks.

Before using SquirrelMail, the user should first fill in at least the name and email address in the Personal Information option. But we can eliminate this step by using the RetrieveUserData plugin to retrieve this information from a variety of sources and automatically update this information.

If you are using Linux system accounts as your mail accounts, you can install the change_passwd plugin to enable SquirrelMail to provide a password change utility.

This guide will show you how to integrate Active Directory/LDAP into the SquirrelMail addressbook. In this page, you will learn how to configure SquirrelMail to activate the Javascript addressbook and to include your Active Directory or LDAP server into the addressbook lookup list.

SquirrelMail is an open source standards-based webmail package written in PHP. When installed, SquirrelMail is ready out of the box. All it needs is an installed web server like Apache, SMTP server like Postfix, and IMAP server like Dovecot.

Here are the installation guides for Postfix and Dovecot.

• How to install Postfix SMTP Server
• How to install Dovecot POP3 and IMAP Server

Starting the Web Server

1. If you did not add Web Server and squirrelmail during installation, you can add it now. Using the Package Manager tool, add the Web Server package in the Servers category. Also add the optional package squirrelmail located in the Mail Server package under the category Servers.

SquirrelMail is an open source standards-based webmail package written in PHP. When installed, SquirrelMail is ready out of the box. All it needs is an installed web server like Apache, SMTP server like Postfix, and IMAP server like Dovecot.

Here are the installation guides for Postfix and Dovecot.

• How to install Postfix SMTP Server
• How to install Dovecot POP3 and IMAP Server

Starting the Web Server

1. If you did not add Web Server and squirrelmail during the CentOS installation, you can add it now. Using the Package Management tool, add the Web Server package. Also add squirrelmail located inside the Mail Server package.