How to Send the Mail using Telnet

[oracle@our12-test ~]$ telnet 10.1.0.209 25
Trying 10.1.0.209...
Connected to 10.1.0.209 (10.1.0.209).
Escape character is '^]'.
220 exccasggnfip01.optibilt.com Microsoft ESMTP MAIL Service ready at Thu, 24 Feb 2011 15:28:06 +0530
helo OPTIBILT
250 exccasggnfip01.optibilt.com Hello [10.2.0.187]
MAIL FROM: our12.mailtest@bilt.com
250 2.1.0 Sender OK
RCPT TO: thalaimuthu@gmail.com
250 2.1.5 Recipient OK
DATA
354 Start mail input; end with <CRLF>.<CRLF>
Welcome

.
250 2.6.0 <7aec04c1-057e-4fbc-9c4b-25cb2dea19a4@exccasggnfip01.optibilt.com> Queued mail for delivery

quit
221 2.0.0 Service closing transmission channel
Connection closed by foreign host.
[oracle@our12-test ~]$