The main configuration file is typically located at /etc/pmta/config . Basic Directives
: Use a stable Linux distribution like Ubuntu 20.04+ or CentOS 7/8 . powermta configuration guide top
Before touching the PowerMTA configuration file, ensure your infrastructure is solid. The main configuration file is typically located at
: Set a valid FQDN (Fully Qualified Domain Name) using hostnamectl set-hostname mail.yourdomain.com . 2. Core Configuration Essentials transactional vs. marketing).
Optimizing is essential for high-volume senders who need reliability and precision in email delivery. This guide covers the top configuration strategies to ensure your server performs at its peak. 1. Initial Server and Environment Setup
: Define which IPs and ports PMTA should listen on for incoming mail (e.g., smtp-listener 0/0:25 ).
Organize your sending IPs into to separate traffic types (e.g., transactional vs. marketing).