$ telnet hoge.example.com 25
Trying 210.154.87.18 ...
Connected to hoge.example.com
Escape character is '^]'.
220 hoge.example.com ESMTP ...
HELO hoge.example.com
250 hoge.example.com Hello pc20.lo.ash.jp [10.0.1.20],
pleased to meet you
MAIL FROM: hoge@hoge.example.com
250 hoge@hoge.example.com... Sender ok
RCPT TO: foo@hoge.example.com
250 foo@hoge.example.com... Recipient ok
DATA
354 Enter mail, end with "." on a line by itself
From: hoge@hoge.example.com
Subjet: test
Hello world.
.
250 NAA02891 Message accepted for delivery
QUIT
221 hoge.example.com closing connection
pop
$ telnet hoge.example.com 110
Trying 210.154.87.18 ...
Connected to hoge.example.com
Escape character is '^]'.
+OK UCB Pop server (version 1.831) at hoge.example.com starting.
USER foo
+OK Password required for foo.
PASS xxxxxxxx
+OK foo has 1 message(s) (400 octets).
STAT
+OK 1 400
LIST
+OK 1 messages (400 octets)
1 400
.
RETR 1
+OK 400 octets
Received: from hoge.example.com (pc20.ash.jp [10.0.1.20])
by hoge.example.com (8.9.1/3.7W) with SMTP id NAA02891
for foo@example.com; Tue, 29 Sep 1998 12:30:00 +0900 (JST)
Date: Tue, 29 Sep 1998 12:30:00 +0900 (JST)
From: hoge@hoge.example.com
Message-Id: <199809290429.NAA02891@hoge.example.com>
Subjet: test
Hello world.
.
DELE 1
+OK Message 1 has been deleted.
QUIT
+
OK Pop server at hoge.example.com signing off.
