Powermta — 60r3 Install

directory. PowerMTA will not start without a valid license file in this specific location. 3. Basic Configuration The primary configuration file is located at /etc/pmta/config . At a minimum, you must define: Postmaster Address postmaster directive to an email you monitor. HTTP Management Interface : Configure the http-mgmt-port (default is 8080) and http-access to monitor the server via a web browser. SMTP Listener

spool /var/spool/pmta

<domain yourdomain.com> use-starttls yes # Enables encryption require-starttls no # Doesn't force encryption </domain> powermta 60r3 install

: Open port 25 for SMTP and your management port (e.g., 8080) in your firewall ( /var/log/pmta/pmta.log for any startup errors or delivery issues. configuration template for VirtualMTA settings or help setting up DKIM signing for this version?

net.core.rmem_max = 134217728 net.core.wmem_max = 134217728 net.ipv4.tcp_rmem = 4096 87380 134217728 net.ipv4.tcp_wmem = 4096 65536 134217728 net.ipv4.ip_local_port_range = 1024 65535 net.core.netdev_max_backlog = 50000 directory

This document describes a straightforward installation of PowerMTA 6.0 R3 on a Linux server (assumed CentOS/RHEL 7+ or Ubuntu 18.04+). It covers prerequisites, installation, basic configuration, license activation, service management, and verification steps.

# Update the system sudo dnf update -y # Install necessary tools sudo dnf install wget tar nano -y Use code with caution. Step 2: Upload and Extract PowerMTA Package 5. Authenticating Your Domain After installation

: Define which local or remote IPs are allowed to relay mail. 5. Authenticating Your Domain

After installation, manually create directories:

# Basic PowerMTA 6.0r3 configuration