Sample Powermta Configuration File Hot May 2026

In PowerMTA (PMTA), a "hot" configuration generally refers to high-volume or "aggressive" delivery settings, often used for warming up IPs or sending to high-reputation recipients. This configuration is typically managed within the /etc/pmta/config Sample High-Volume (Hot) Config Review A robust PowerMTA configuration uses

Logging

<log access> file /var/log/pmta/access.log format "date time msgid from to size relay status" rotate 1d compress yes </log> sample powermta configuration file hot

vmta warmup-sender auto-warmup true pool pool-warmup dkim-signature "warmup" max-smtp-out 50 warmup-period 7 days In PowerMTA (PMTA), a "hot" configuration generally refers

---------- LOGGING (HOT TIP: USE RAM DISK) ----------

To avoid disk I/O bottleneck, mount /var/log/pmta as tmpfs.

log-stats file /var/log/pmta/stats.log format "csv" interval 300 keep 30 ---------- LOGGING (HOT TIP: USE RAM DISK) ----------

Copy the sample, adjust the rates to match your specific ISP warm-up schedules, and watch your delivery rates climb.

SMTP listeners

---------- GLOBAL DIRECTIVES ----------

These set the base behavior for all domains.

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

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