Installing PowerMTA (PMTA) 6.0r3 on a Linux server (typically CentOS or Rocky Linux) involves a standard set of steps to deploy the RPM package and configure the service. Prerequisites
PowerMTA 6.0r3 Installation Guide for CentOS/RHEL 7
Document Version: 1.0
Software Version: PowerMTA 6.0r3
Target OS: CentOS 7.x / RHEL 7.x (64-bit)
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8. Start & Enable Service
sudo systemctl enable pmta
sudo systemctl start pmta
sudo systemctl status pmta