Powermta Configuration Guide Top _hot_ -

<virtual-mta transactional> smtp-source-host 192.168.1.10 192.168.1.11 helo-domain mail.yourdomain.com dns-timeout 30 </virtual-mta>

ip 192.168.1.10 # One IP ip 192.168.1.10/24 # Range (if using CIDR) powermta configuration guide top

For external applications, enforce mandatory SMTP authentication. 3. Virtual MTA (VMTA) Mapping &lt;virtual-mta transactional&gt; smtp-source-host 192

Tailor your rates based on the destination domain to avoid reputation issues: powermta configuration guide top

/usr/sbin/pmta reload