Sample Powermta Configuration File Hot Official
# Access control settings access_control # Allow relaying from trusted hosts allow relay from "trusted_mta.example.com"
: Supports high connection counts and requires TLS. The use-starttls yes directive ensures data privacy, which impacts sender reputation.
# Web UI access authentication-type basic authentication-file "/etc/pmta/htpasswd"
domain gmail.com max-smtp-msg-rate 100/h max-msg-rate 50/s max-connections 20 sample powermta configuration file hot
<virtual-mta-pool main-pool> virtual-mta main-sender virtual-mta warmup-pool # Add more pools as needed (e.g., transactional, marketing) </virtual-mta-pool>
Below is a complete, production-ready sample PowerMTA configuration file optimized for hot IPs, followed by a detailed breakdown of critical directives. Complete Sample PowerMTA Configuration File
: Allows high concurrent connections.
The configuration above watches for specific Microsoft error responses (like 421 RP-001 or 421 4.3.2 System busy ). When detected, PowerMTA automatically shrinks your allowed connection footprint and hourly throughput for a designated cool-down period. Essential Best Practices Beyond the Configuration File
log-connections no log-commands no log-data no log-resolution no
Ensuring all outbound mail strictly utilizes DKIM, SPF, and DMARC. Production-Ready PowerMTA Configuration Code # Access control settings access_control # Allow relaying
automatic-restart yes restart-threshold 3
Sets a high number of parallel connections allowed to a single destination domain (e.g., yahoo.com).
; Domain routing and pool assignment — route hot/high-priority campaigns via hot-pool domain hot.example.com Complete Sample PowerMTA Configuration File : Allows high