Sample Powermta Configuration File Hot -

The warmup block inside domain directives is a game-changer. Instead of manually raising limits, PowerMTA automatically increases max-msg-rate over 7-10 days. This prevents ISPs from throttling you as a "sudden burst" sender.

smtp-timeout 60s connection-timeout 30s read-timeout 60s write-timeout 60s dns-timeout 10s sample powermta configuration file hot

<vmta ent-flash> max-smtp-out 200 bind-address 192.168.1.11 throttle-smtp-out 50000 # 50k emails per hour </vmta> The warmup block inside domain directives is a

max-smtp-out 100 smtp-port 25 smtp-service port 25 smtp-connection-timeout 60s smtp-command-timeout 120s smtp-data-timeout 300s max-smtp-in 500 max-smtp-out 2000 max-queue-size 200M queue-type dir queue-dir /var/spool/pmta/queue log-dir /var/log/pmta &lt;virtual-mta hot-stream&gt; smtp-source-host 192

smtp-service max-message-size 50M max-connections 5000 max-clients 5000 max-data-connections 2000 connection-backlog 500 tcp-nodelay true tcp-keepalive true dns-timeout 30 dns-retries 2

<virtual-mta hot-stream>
  smtp-source-host 192.0.2.10 192.0.2.11
  smtp-source-port 25
  bounce-localhost yes
  vmta-service yes
</virtual-mta>