<virtual-mta marketing> bounce-log /var/log/powermta/bounce.log dns-timeout 60 <domain gmail.com> max-smtp-out 20 max-msg-rate 5000/h </domain> <domain *> max-smtp-out 5 max-msg-rate 100/h </domain> </virtual-mta>
log-format-extended "/var/log/powermta/delivery.log" "%t %d %S %p %r" bounce-log "/var/log/powermta/bounce.log" powermta configuration guide
<virtual-mta marketing> source 192.168.1.10 max-smtp-out 50 dns-timeout 30 bounce-log /var/log/powermta/bounce-marketing.log </virtual-mta> <virtual-mta transactional> source 192.168.1.11 max-smtp-out 200 bounce-log /var/log/powermta/bounce-transactional.log </virtual-mta> 5.1 Domain-Specific Throttling Prevent overloading a single domain (e.g., Gmail, Yahoo). bounce-log /var/log/powermta/bounce.log dns-timeout 60 <
<source 192.168.1.10> process-x-remote-mta-ip yes always-use-mx yes max-smtp-out 100 use-starttls if-available </source> <source 192.168.1.11> virtual-mta primary # Assign to a Virtual MTA </source> Isolate traffic types (e.g., marketing vs transactional). max-smtp-out 20 max-msg-rate 5000/h <