Link — Powermta Config File
When PowerMTA starts or reloads ( pmta reload ), it resolves these includes recursively.
This is where you link your server's local IP address to your sending domain. This is crucial for passing SPF and DKIM checks. powermta config file link
# dkim <dkim> selector default key-file /etc/pmta/dkim/example.com.private </dkim> When PowerMTA starts or reloads ( pmta reload