*SMTP/POP3 [#s0572baf]

smtp、pop3についてのコマンドレスポンスについて

**SMTP [#s8a9e714]
SMTPでのメールの送り方について

 $ telnet localhost 25   <---入力
 Trying 127.0.0.1...
 Connected to localhost.
 Escape character is '^]'.
 220 vmvine32.abc.ac.jp ESMTP Postfix
 HELO localhost
 HELO localhost         <---入力
 250 vmvine32.abc.ac.jp
 MAIL FROM: <okada@localhost>  <---入力
 250 Ok
 RCPT TO: <okada@localhost>  <---入力
 250 Ok
 DATA     <---入力
 354 End data with <CR><LF>.<CR><LF>
 From: <okada@localhost>  <---入力
 To: <okada@localhost>    <---入力
 Subject: TEST1           <---入力
                          <---入力
 TEST MSG.                <---入力
 .                        <---入力
 250 Ok: queued as 6767B5BCC2
 QUIT                     <---入力
 221 Bye
 Connection closed by foreign host.

**pop3 [#z04043ba]

pop3でのメールの受信について

 $ telnet localhost 110    <---入力
 Trying 127.0.0.1...
 Connected to localhost.
 Escape character is '^]'.
 +OK Qpopper (version 4.0.9) at vmvine32.abc.ac.jp starting.  <14168.1160013216@vmvine32.abc.ac.jp>
 USER okada      <---入力
 +OK Password required for okada.
 PASS ******     <---入力
 +OK okada has 1 visible message (0 hidden) in 509 octets.
 LIST            <---入力
 +OK 1 visible messages (509 octets)
 1 509
 .
 RETR 1          <---入力
 +OK 509 octets
 Return-Path: <okada@vmvine32.abc.ac.jp>
 X-Original-To: okada
 Delivered-To: okada@vmvine32.abc.ac.jp
 Received: by vmvine32.abc.ac.jp (Postfix, from userid 500)
         id 34A685BCC2; Thu,  5 Oct 2006 10:46:45 +0900 (JST)
 To: okada@vmvine32.abc.ac.jp
 Subject: TEST2
 Message-Id: <20061005014645.34A685BCC2@vmvine32.abc.ac.jp>
 Date: Thu,  5 Oct 2006 10:46:45 +0900 (JST)
 From: okada@vmvine32.abc.ac.jp (Okada)
 X-UIDL: Cc5!!DhV"!fUI"!5>*"!
 
 TEST MSG2.
 
 .
 QUIT    <---入力
 +OK Pop server at vmvine32.abc.ac.jp signing off.
 Connection closed by foreign host.

メッセージの削除(認証後)

 LIST  <---入力
 +OK 2 visible messages (1029 octets)
 1 521
 2 508
 (略)
 
 DELE 1  <---入力(削除)
 +OK Message 1 has been deleted.
 LIST    <---入力
 +OK 1 visible messages (508 octets)
 2 508

***APOPでの認証 [#w4a62a3a]

 $ telnet localhost 110  <---入力
 Trying 127.0.0.1...
 Connected to localhost.
 Escape character is '^]'.
 +OK Qpopper (version 4.0.9) at vmvine32.abc.ac.jp starting.  <14230.1160013800@vmvine32.abc.ac.jp>  <---(チャレンジワード)
 APOP okada 1c576f**************30639dace3af <---入力(MD5ハッシュ値)
 +OK okada has 1 visible message (0 hidden) in 520 octets.
 LIST <---入力
 +OK 1 visible messages (520 octets)
 1 520
 .
 QUIT <---入力
 +OK Pop server at vmvine32.abc.ac.jp signing off.
 Connection closed by foreign host.

APOPでのMD5のハッシュ値を作成するにはチャレンジワードとパスワードを連続文字列として作成する。

上記の場合はパスワードが*****の場合は

 $ echo -n '<14230.1160013800@vmvine32.abc.ac.jp>*****' | md5sum
 1c576f**************30639dace3af  -


**参考 [#x8c236a8]

Software Design 2006/9



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