A standard /etc/pmta/config usually includes the following key sections: Defines the server's identity. host-name mail.yourdomain.com smtp-listener 1.2.3.4:25 ``` Use code with caution. Copied to clipboard
Virtual MTAs (vmta) link specific source IP addresses to your outbound mail streams. This allows you to segregate transactional email traffic from marketing traffic.
smtp_port = 25; smtp_auth = true; allowed_senders = ["127.0.0.1", "192.168.1.0/24"];
The authentication and authorization section configures PowerMTA's authentication mechanisms. Some key parameters include: powermta config file link
For large-scale or multi-tenant setups, managing a monolithic /etc/pmta/config file can become unwieldy. An advanced but highly effective strategy is to use configuration fragments.
What (e.g., MailWizz, Mumara, customized app) are you linking to PowerMTA?
: Always refer to the official PowerMTA documentation or specific guides related to your operating system for accurate file locations and configuration details. This allows you to segregate transactional email traffic
# Port Configuration smtp-listener 0.0.0.0:25 # Admin Web Console http-mgmt-listener 0.0.0.0:8080 http-access allow 127.0.0.1 http-access allow your.management.ip.here http-access disable * # Logging and Accounting Links log-file /var/log/pmta/pmta.log type d,b,r # Relay Authorization Source always-allow-relaying yes # Virtual MTA & Domain Key Link Setup smtp-source-ip 203.0.113.5 domain-key mail, example.com, /etc/pmta/keys/example.private # ISP Throttle Rule Links max-smtp-out 10 retry-interval 30m max-smtp-out 40 max-connects-per-minute 200 Use code with caution. To help narrow down your setup, tell me:
Below is a clean, production-ready master configuration file template utilizing the linking method.
/etc/pmta/license (Must be present for the service to start) An advanced but highly effective strategy is to
<source 127.0.0.1> # Web application on the same server always-allow-relaying yes # Bypass all relay controls max-message-size 26214400 # 25MB limit require-starttls yes # Force TLS encryption </source>
where PowerMTA naturally reads its settings.
delivery_method = "SMTP"; relay_host = "smtp-relay.example.com"; max_concurrency = 10;
In PowerMTA, the primary configuration file is located at /etc/pmta/config on Linux-based systems. While there isn't a single official "link" to a universal config file (since every setup requires unique IP and domain details), you can find standard templates and examples through community repositories and guides. 📁 Standard Configuration File Path On a typical installation, the file is found here: /etc/pmta/config Windows: C:\pmta\config.txt (standard default) 🔗 Useful Configuration Templates & Resources