PowerMTA test using telnet

To test PowerMTA using telnet, run

telnet localhost 25

Now paste following content

ehlo localhost
mail from: [email protected]
rcpt to: [email protected]
data
Subject: Testing

This is text email.
.
quit

To see logs

tail -f /var/log/pmta/pmta.log

To see PowerMTA queue, run

pmta show queues

See PowerMTA