Powermta Domain Detail May 2026

| Directive | Purpose | Example | |-----------|---------|---------| | max-smtp-out | Max concurrent outbound connections to this domain | max-smtp-out 5 | | smtp-port | Override default port (25) | smtp-port 587 | | route | Force traffic through a specific smart host | route smtp.relay.com | | resolve-to | Rewrite destination MX lookup | resolve-to 10.0.0.1 | | max-message-size | Max email size for this domain | max-message-size 25M | | require-rdns | Require reverse DNS for incoming connections | require-rdns yes | | dkim-sign | Enable DKIM signing for this domain (see below) | dkim-sign yes | | tls | Enforce TLS | tls required | PowerMTA signs emails per domain using domain-key files.

log-domain /var/log/pmta/domains/%d.log # %d expands to domain name Then within <domain> : powermta domain detail

<domain mylocal.com> local yes mailbox-command /usr/bin/procmail </domain> Enable domain-specific logging in <source> or global log-domain : local yes mailbox-command /usr/bin/procmail &lt