3
# Require authentication for relaying auth-require true auth-scheme LOGIN auth-source file /etc/pmta/auth.db
source-address 192.0.2.20 virtual-mta gmail-pool source-address sample powermta configuration file
(For High-Volume Production Email Delivery) # ------------------------------------------------------------------- # PowerMTA Configuration File - Sample for High-Volume Email Delivery # ------------------------------------------------------------------- # Version: 4.5+ # Purpose: Production-ready configuration with deliverability tuning # Notes: Adjust paths, IPs, domains, and resources to your environment. # ------------------------------------------------------------------- --------------------------- Global Process Directives --------------------------- process-id-file /var/run/powermta/pmta.pid spool-directory /var/spool/pmta log-directory /var/log/pmta max-smtp-out 100 # Max concurrent outbound connections (all MTAs) max-errors-per-domain 10 # Failures before marking domain dead max-errors-per-recipient 3 domain-error-expiration 30m # Retry dead domain after 30 minutes recipient-error-expiration 30m --------------------------- SMTP Service (Inbound) --------------------------- smtp-service port 25 access-source config # Use IP-based rules below access-rule allow 127.0.0.1 access-rule allow 192.168.1.0/24 access-rule deny all sample powermta configuration file
domain-mapping aol.com { max-smtp-out 6 max-msg-rate 4000/h max-conn-per-domain 3 idle-timeout 120s } sample powermta configuration file
