Sample Powermta Configuration File Hot |work|

If you have 5 IPs, you can distribute the load. If one IP gets a bad reputation, you can temporarily disable its virtual MTA without stopping the entire server 1.2.4 . 2. Specific Rules

# Define the pickup directory (hot folder) # The VirtualMTA to use for mail from this folder virtual-mta my-sending-vmta # Frequency in seconds to scan the folder scan-interval 5

# SMTP Listener on all IPs, port 25 and 587 smtp-listener 0.0.0.0:25 smtp-listener 0.0.0.0:587 password "YOUR_SECURE_PASSWORD" authentication-method password # Source configuration for local/authorized senders always-allow-relaying yes process-x-virtual-mta yes Use code with caution. Copied to clipboard 3. Virtual MTA (Delivery) sample powermta configuration file hot

run-as root smtp-name default-mta.yourdomain.com postmaster postmaster@yourdomain.com

Sample PowerMTA Configuration File: Optimized for Hot IPs and High-Volume Delivery If you have 5 IPs, you can distribute the load

Ensure all IPs have matching PTR (reverse DNS) records.

: Binds PowerMTA to a specific physical IP address ( smtp-source-ip ) and an associated reverse DNS PTR record ( host-name ). Specific Rules # Define the pickup directory (hot

This guide provides a comprehensive overview of a high-performance ("hot") . PowerMTA is an enterprise-grade SMTP server designed for high-volume email delivery. The configuration file ( pmta.conf ) is crucial for optimizing delivery, managing IP reputation, and maximizing throughput.

<dns> precached-domains-file /etc/pmta/precached-domains </dns>

Note: Replace IP addresses, domains, and paths with your own.