Do you host websites also on same server?

Full headers of the letter would be neccesary to pinpoint where it originates.


Espen wrote:
Hi,

Im using centos 5 and qmailtoaster.
Everything worked fine untill jun 28 then i got bombed with mails on the 28 i got 3461 on 29 i got 3041 today 30 i got 3152 and counting.

I tailed the smtp/current file and this shows all the time " CHKUSER accepted null sender: from <::> remote <smtp1.cessniq.com:unknown:80.248.34.120> rcpt <> : accepted null sender always".
What does accepted null sender allways mean ?

The mails i get are "Delivery Status Notification (Failure)" they are from postmaster@ different domains and they claim its sent by "Linette" <[EMAIL PROTECTED]> a user that does not exist on my server.

I did the open relay test over at http://www.southcomputers.com/relaytest.php and there i get " Congratulations! mail.dataen.com *Does not appear to be* an open relay "

I realy need help here and yes i am a newb :-)

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