/var/log/pmta/*.log daily rotate 7 compress postrotate /usr/sbin/pmta reload logs endscript
Here are the core blocks you need to configure for a basic setup. The logic is built around directives like <domain> , <virtual-mta> , <source> , and <smtp-listener> :
In the highly competitive world of email marketing, having the right infrastructure is half the battle. PowerMTA (PMTA) by Bird (formerly Port25) remains the undisputed gold standard for high-volume, enterprise-grade email delivery. With the release of PowerMTA 6.0r3, administrators gain massive upgrades in (ARC validation, enhanced sender restrictions), performance (smarter source IP rate limiting), and flexibility (Ubuntu ARM support and XARF abuse report compatibility).
Before starting the installation, ensure your server meets the foundational infrastructure requirements. Hardware Specifications
Publish the contents of dkim.public as a TXT record in your DNS zone for the selector dkim._://yourdomain.com . Step 6: Starting and Testing the PowerMTA Service powermta 60r3 install
sudo yum install -y glibc libstdc++ libidn libidn-devel openssl openssl-devel perl libaio libaio-devel
sudo mkdir -p /var/spool/pmta /var/log/pmta sudo chown -R pmta:pmta /var/spool/pmta /var/log/pmta || sudo chown root:root ... sudo chmod 750 /var/spool/pmta
Below is a minimal configuration to get your server running:
sudo nano /etc/pmta/config
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.
Follow these steps to install PowerMTA on your server:
PowerMTA is typically distributed as an RPM package for Red Hat-based systems or a Debian package for Debian-based systems. Step 1: Upload the Installation Files
If upgrading:
: Configure which IPs are allowed to submit mail to the server. 4. Service Management
vi /etc/pmta/config
How many do you plan to route through this server?
This is the standard port used for SMTP (Simple Mail Transfer Protocol) and is essential for your server to relay emails to other MTAs on the internet. Many VPS and hosting providers block port 25 by default to prevent spam. You must select a provider or configure your server to ensure this port is unblocked. /var/log/pmta/*