Example of POP3 session

  • Besides using MUA, you can run telnet on port 110 to access POP3, and use 4-letters POP commands, for example:
    telnet capone.rutgers.edu 110
    Connected to
    Escape character is '^]'.
    USER mailtest
    PASS Password 
    RETR 1
    X-Original-To: mailtest@capone.rutgers.edu
    Delivered-To: mailtest@capone.rutgers.edu
    Received: from node18.rutgers.edu (node18 [])
            by capone.rutgers.edu (Postfix) with ESMTP id A291B2B15C
            for ; Tue, 12 Apr 2005 22:23:53 -0400 (EDT)
    Received: from me?here.com (unknown [])
            by node18.rutgers.edu (Postfix) with SMTP id 4653B14112
            for ; Tue, 12 Apr 2005 22:24:03 -0400 (EDT)
    To: some_guru@somewhere.com
    From: pp@pp.com
    Subject: Forged e-mail
    Message-Id: <20050413022403.4653B14112@node18.rutgers.edu>
    Date: Tue, 12 Apr 2005 22:24:03 -0400 (EDT)
    The "To:" and "From:" are non-existent, but you still get the e-mail.
    bye, bye
    DELE 1

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