Powermta Configuration Guide [upd] -

pmta show queue pmta show stats pmta show vmta pmta show connections pmta show smtp-sessions Control sending across multiple dimensions:

<virtual-mta transactional> vmta-name transactional source-ip 192.0.2.10 max-smtp-out 50 max-msg-rate 10000/h queue-type FIFO </virtual-mta> <virtual-mta marketing> vmta-name marketing source-ip 192.0.2.20 max-smtp-out 200 max-msg-rate 50000/h queue-type FIFO </virtual-mta> powermta configuration guide

<domain aol.com> max-smtp-out 10 max-msg-rate 100/h </domain> DKIM Signing <domain example.com> dkim-sign yes dkim-selector myselector dkim-key-file /etc/pmta/dkim/example.com.pem </domain> Generate DKIM key: pmta show queue pmta show stats pmta show