RPMforge is a third party RPM repository for Red Hat Enterprise Linux or CentOS. Adding the RPMforge repository will give you access to an extensive library of precompiled binaries. This article describes how to add the RPMforge repository in Red Hat Enterprise Linux or CentOS 5.
(more…)This articles describes how to use LDAP authentication in Red Hat Enterprise Linux 5 or CentOS 5.
(more…)This article will show you how to configure Postfix and Dovecot to handle multiple domains stored in MySQL. Postfix Admin is used to manage the domains, mailboxes and aliases in MySQL. See How to Install Postfix Admin to setup the MySQL database that will be used by Postfix and Dovecot.
(more…)Postfix Admin is a web based interface used to manage mailboxes, virtual domains and aliases. This article will show you how to install Postfix Admin to simplify management of mailboxes, domains and aliases.
(more…)The version of Postfix that comes with Red Hat Enterprise Linux 5 or CentOS 5 does not support MySQL lookups. You can build your own custom Postfix RPM or get a prebuilt RPM from the CentOS Plus repository. You can use the CentOS repository in RHEL since CentOS is binary compatible with RHEL. This article describes how to install Postfix with MySQL lookup table support from the CentOS Plus repository.
(more…)This article describes how to achieve single sign on with Active Directory using Identity Management for Unix (available in Windows 2003 R2 and above) or Services for Unix 3.5.
(more…)Fedora Directory Server is an enterprise-class open source LDAP server for Linux. This page will show you how to setup the Fedora Directory Server.
(more…)This page will show you how to setup an LDAP address book using OpenLDAP, an open source implementation of the Lightweight Directory Access Protocol.
(more…)SMTP Authentication (SMTP Auth) provides an access control mechanism that can be used to allow legitimate users to relay mail while denying relay service to unauthorized users, such as spammers.
(more…)The Postfix Cyrus SASL support is used to authenticate remote SMTP clients to the Postfix SMTP server. Thanks to the Pluggable Authentication Modules (PAM) in Linux, we can configure Cyrus SASL to delegate the authentication process to an Active Directory server.
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