jon@batman:/$ telnet 127.0.0.1 25
Trying 127.0.0.1...
Connected to localhost.mystock.com.
Escape character is '^]'.

HELO mystock.com
MAIL FROM: feedback@mystock.com
RCPT TO: phillipsfamily7@gmail.com
DATA
Subject: Test Message
From: feedback@mystock.com
To: phillipsfamily7@gmail.com
This is a test message using Telnet against the SMTP server.
.
QUIT



[root@realworx-test current]# telnet perlwizard.org 25
Trying 208.75.176.93...
Connected to perlwizard.org (208.75.176.93).
Escape character is '^]'.
220 mail.theartfarm.com ESMTP
helo perlwizard.org
250 mail.theartfarm.com
mail from: blah@perlwizard.org
250 ok
rcpt to: blah@perlwizard.org
250 ok
data
354 go ahead

blah blah blah
.
554 mail server permanently rejected message (#5.3.0)