After nearly 4 months of improvement, iRedMail-0.4.0 stable version was released. iRedOS will be released after CentOS5.3 is released, please be patient. iRedMail is a mail service solution designed for Red Hat(R) Enterprise Linux and CentOS. It is a set of shell scripts used after the operating system is installed to quickly deploy a full-featured mail server solution. iRedMail is published under GPL v2 copyright; Currently supported operating systems: Red Hat(R) Enterprise Linux, CentOS; Supported operating system versions: 5.0, 5.1, 5.2, 5.3.