Telnet to SMTP

telnet ibmr.btconnect.com 25
helo google.com
mail from:ldjones48@hotmail.com
rcpt to:asalman@waveworks.co.uk
!
!
Type the following command to tell the SMTP server that you are ready to send data:
DATA

Type the following command to add a subject line:
Subject: test message

Type the following command to add message body text:
This is a test message you will not see a response from this command.

Type a period (.) at the next blank line, and then press ENTER. You receive the following response:

250 OK
Close the connection by typing the following command:
QUIT