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    Contributing User
    Devshed Newbie (0 - 499 posts)

    Join Date
    Apr 2000
    In nederland
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    I wondered if you now know what is wrong?
    My server gives this bounced mail only when I try to send it to another server.The mail I send to myself still arives!

    For some reason this mail works fine, but doesn't arrive?

    server error:
    Email adres sender doesn't exists?
    ... while talking to mail.somehost.com.:
    >>> MAIL From:<nobody@localhost.localdomain> SIZE=46
    <<< 501 <nobody@localhost>... Sender domain must exist
    501 someone@somehost.com... Data format error

  2. #2
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    Junior Member
    Devshed Newbie (0 - 499 posts)

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    Jun 2000
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    Yes I know what is wrong, you will never get rid of that problem. In the Internet Spam is still a sensitive issue and Webmasters / Postmasters must try to block spam. One way is blocking (that means not forwarding to the recipient) mail which has no valid sender- domain after the @.
    In your case joerg@localhost.localdomain can not be valid. I.e. it would work if you'd specifiy a valid address / domain after the @.
    On your local machine it still gets delivered, because sendmail recognizes localhost as itself and delivers it to your mbox. Bus as I said, the rest of the world will never accept a sender like that.
    Why don't you simply put your real domain in tehre ?

    Joerg Fritsch

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