By default, PowerMTA uses the server’s hostname. You can specify a custom hostname per Virtual MTA.
To set a hostname for VitualMTA, add host-name entry as follows.
host-name smtp1.serverok.in
#domain-key default,smtp1.serverok.in,/etc/pmta/default.smtp1.serverok.in.pem
max-msg-rate 100/h
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