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215822RE: Question about "spoofing" emails.

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  • MrC
    Mar 1, 2007
    • 0 Attachment
      > I have one question for you.
      >
      > How do you do to avoid this kind of thing?
      >
      > 220 -Empresa de Servicios - XXXXXXX
      > helo mundo
      > 250 SERVER02.xxxxxxxx.com.ar
      > mail from: <nobody@...>
      > 250 Ok
      > rcpt to: <john.user@...>
      > 250 Ok
      > data
      > 354 End data with <CR><LF>.<CR><LF>
      > FROM: John User <john.user@...>
      > TO: <john.user@...>
      > SUBJECT: Nada
      >
      > Muerte!
      > .
      > 250 Ok: queued as 972C55865D
      >
      > I think that it's too difficult to get rid of this type of
      > mails, filtering may reject valid emails...
      >
      > I hear any suggestions!

      What specifically is "this kind of thing" ? The "mundo" HELO parameter?
      The "nobody@..." MAIL FROM envelope?

      Please be more specific about what you are trying to reject.

      MrC
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