Sample Powermta Configuration File Hot !!top!! -

greylist-enabled no

mail-from /@newsletter.example.com/ virtual-mta pmta-newsletter-pool max-msg-rate 500/h

# --------------------------------------------------------- # PowerMTA Configuration File # Version: 5.5+ Syntax # Focus: Deliverability, Domain Throttling, and Warm-up # --------------------------------------------------------- sample powermta configuration file hot

This article provides a comprehensive optimized for high-volume sending, along with a detailed breakdown of the critical directives that make it work. What is a "Hot" PowerMTA Configuration?

; listeners (incoming/API) listener 25

Even with max-per-host-out 100 , Gmail will reject if you exceed 60 connections per IP. The sample config uses domain throttling ( domain throt-google.com ) as a safety net.

<vmta ent-flash> max-smtp-out 200 bind-address 192.168.1.11 throttle-smtp-out 50000 # 50k emails per hour </vmta> greylist-enabled no mail-from /@newsletter

: Instructs PowerMTA to read the X-VirtualMTA header from incoming emails, allowing your application to dynamically select which IP pool handles the deployment. 2. IP Pooling ( ) Hot IPs perform best when grouped into traffic pools.

; Logging & reporting log-path /var/log/pmta log-rotate 7 reporting