7.3 El SMTP

hundix$ telnet localhost 25
220 hundix.ace.ual.es ESMTP Sendmail 8.12.8/8.12.8;
Sun, 11 Jan 2004 10:31:23 +0100
HELO hundix.ace.ual.es
250 hundix.ace.ual.es Hello localhost.localdomain
[127.0.0.1], pleased to meet you
MAIL FROM: <vruiz@ual.es>
250 2.1.0 <vruiz@ual.es>... Sender ok
RCPT TO: <bill_gates@msn.com>
250 2.1.5 <bill_gates@msn.com>... Recipient ok (will queue)
DATA
354 Enter mail, end with "." on a line by itself
Como va tu Windows?
.
250 2.0.0 i0B9VNiA001623 Message accepted for delivery
QUIT
221 2.0.0 hundix.ace.ual.es closing connection
Connection closed by foreign host.