cm11409$ telnet mail.ecc.u-tokyo.ac.jp 25
Trying 133.11.70.182...
Connected to mail.ecc.u-tokyo.ac.jp.
Escape character is '^]'.
220 ms003.ecc.u-tokyo.ac.jp ESMTP deepsmtpd.stn.b 3.5.75; Thu, 29 May 2008 16:28:48 +0900
mail from: yama@mail.ecc.u-tokyo.ac.jp
250 yama@mail.ecc.u-tokyo.ac.jp... Sender OK
rcpt to: yama@mail.ecc.u-tokyo.ac.jp
250 yama@mail.ecc.u-tokyo.ac.jp... Recipient OK
data
354 Enter mail, end with "." on a line by itself
subject: report

This is a mail test with telnet.
.
250 Message queued for delivery
quit
221 Bye...
Connection closed by foreign host.
cm11409$ date
–Ø  5 29 16:29:26 JST 2008
cm11409$ hostname
cm11409.ecc.u-tokyo.ac.jp
cm11409$ host cm11409.ecc.u-tokyo.ac.jp
cm11409.ecc.u-tokyo.ac.jp has address 172.16.109.138
cm11409$