nova> telnet 127.0.0.1 25
Trying 127.0.0.1...
Connected to 127.0.0.1.
Escape character is '^]'.
220 nova.umuc.edu ESMTP Sendmail 8.12.11/8.12.9; Mon, 4 May 2009 19:20:58 -0400
(EDT)

HELO nova.umuc.edu
250 nova.umuc.edu Hello localhost [127.0.0.1], pleased to meet you
MAIL FROM : cm435c@nova.umuc.edu
250 2.1.0 cm435c@nova.umuc.edu... Sender ok
RCPT TO: melms1972@yahoo.com
250 2.1.5 melms1972@yahoo.com... Recipient ok
250 2.DATA
354 Enter mail, end with "." on a line by itself
Test
.
250 2.0.0 n44NKwus019451 Message accepted for delivery
QUIT
221 2.0.0 nova.umuc.edu closing connection
Connection to 127.0.0.1 closed by foreign host.1.5 melms1972@yahoo.com... Recipient ok