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Mail relaying by authenticated users

Discussion in 'E-mail Discussions' started by DHL, Dec 22, 2003.

  1. DHL

    DHL Well-Known Member

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    Ok how do we stop this

    I authenticated to the server, this applies to all autheticated users who have IP's within relayhosts, but I can still see a nasty problem here :)

    telnet domain.com 25

    Trying domain.com ...
    Connected to domain.com (123.123.123.123).
    Escape character is '^]'.
    220-server-name.com ESMTP Exim 4.24 #
    220-We do not authorize the use of this system to transport unsolicited,
    220 and/or bulk e-mail.

    HELO any.server.name.you.wish.com
    250 server.name.com Hello

    MAIL FROM: anybody_you_want@anydomain.com
    250 OK
    RCPT TO: anybody_you_wish_to_send_mail_to@anydomain.com
    250 Accepted
    DATA
    354 Enter message, ending with "." on a line by itself
    Subject="Spam sent using any domains email is here"
    Can I spam , yes I can !
    .
    250 OK id=Mail-ID


    Ok , how can this be stopped ?
     
    #1 DHL, Dec 22, 2003
    Last edited: Dec 22, 2003
  2. cyberspirit

    cyberspirit BANNED

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    did you add verify = sender to exim.conf?
     
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