Installing the PowerMTA package itself takes a few minutes. All images published here are the PlexMail script and its PowerMTA installation algorithm. Important: In this article, we consider the process of installing PMTA using a unique PlexMail script. If the installation is done via the PlexMail script, then CentOS 8 is recommended, although the installer will work correctly under CentOS 7. For reliability and stability, it is recommended to use CentOS. PMTA (PowerMTA) can be installed both on a server running CentOS, Debian, and Windows operating systems.
