This guide will walk you through a complete, production-ready installation of PowerMTA 6.0r3 on a clean Linux server. We will cover system preparation, dependency management, the installation process itself, basic configuration, and critical post-installation hardening.
| Symptom | Action | |---------|--------| | Service fails to start | Check /opt/pmta/logs/error.log and /var/log/messages | | License invalid | Verify /etc/pmta/license and hostname matches | | Port 25 blocked | Check firewall-cmd --list-all and SELinux | | Injection fails | Verify source block matches connecting IP/auth |
4 cores minimum (8+ cores recommended for high-volume delivery). powermta 60r3 install
: A clean 64-bit Linux distribution (CentOS 7/8 or Ubuntu 20.04/22.04 are common choices). Root Access : You must have root or sudo privileges. Dependencies are updated. Use yum install net-tools apt install net-tools 2. Installation Steps Follow these steps to deploy the binary: Upload the Package
What (e.g., Mailwizz, Mumara, Mautic) are you connecting to PMTA? How many IP addresses are you planning to rotate? This guide will walk you through a complete,
After saving your configuration, verify the settings and start the service. pmtad --check-config Use code with caution. Start the Service: systemctl start pmta systemctl enable pmta Use code with caution. Check Status: pmta show status Use code with caution. Step 6: DNS and Authentication (Critical)
sudo systemctl stop postfix sudo systemctl disable postfix : A clean 64-bit Linux distribution (CentOS 7/8 or Ubuntu 20
Default ciphers in v6.0r3 do not include modern TLS 1.2+. Resolution: Add to config:
: Launches the web-based monitoring console. Restrict this parameter heavily using explicit IP access rules ( http-access ).
Edit /etc/security/limits.conf :