: Define which IPs and ports PMTA should listen on for incoming mail (e.g., smtp-listener 0/0:25 ).
queue_dir /path/to/queue delivery_agent 10 throttle 1000/60 powermta configuration guide top
<listener 127.0.0.1:2500> service-name "inbound-bounces" protocol smtp require-auth no allow-remote no # Route incoming to bounce handler bounce-handler process-bounces </listener> : Define which IPs and ports PMTA should
Run the installer: rpm -ivh PowerMTA-5.X.X.rpm or dpkg -i PowerMTA.deb . Place your license file in /etc/pmta/license . powermta configuration guide top
: Define the IP and port (usually 25) where PMTA accepts incoming mail. Use 0.0.0.0:25
: A VPS or dedicated server with at least 2GB of RAM (8GB recommended for high volume). Operating System : Current guides recommend Ubuntu 20.04+ or CentOS 8+.