PowerMTA test using telnet

To test PowerMTA using telnet, run

telnet localhost 25

Now paste following content

ehlo localhost
mail from: admin@smtp1.serverok.in
rcpt to: you@your-domain.com
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