A source defines where PowerMTA gets its IPs for sending.
This defines how PowerMTA will accept incoming mail from your web application on a specific port.
After saving your configuration, start the PowerMTA service and enable it to run on boot: powermta 60r3 install
Option A: Installation on RPM-based Systems (AlmaLinux, Rocky Linux, CentOS)
yum update upgrade yum install wget unzip net-tools telnet -y yum remove postfix exim -y cd /root/PMTA/ unzip PowerMTA6.0r3.zip cd /root/PMTA/PowerMTA6.0r3 yum install PowerMTA-6.0r3.rpm A source defines where PowerMTA gets its IPs for sending
PowerMTA will not initialize without a valid hardware-locked license key file ( license ). Move your provided license file into the designated configuration path: sudo cp /path/to/your/license /etc/pmta/license Use code with caution.
The main configuration file is located at /etc/pmta/config . You will need to edit this file to define your: The local IP(s) used for sending. Domain Keys (DKIM): Path to your private keys. SMTP Port: Usually set to 25 or 587 . Move your provided license file into the designated
Replace or adapt the configuration with the following structure: