strange problem in mail

Posted on 2006-06-06
Last Modified: 2010-03-06
Some users of our exchange 2000 getting below mail

From: I.ghazal []
Sent: Tuesday, June 06, 2006 12:01 PM
To: I.ghazal
Subject: 455



Sender and reciever is same.

Any solution.

Question by:manishchoudhary
    LVL 104

    Accepted Solution

    Probably a directory harvest attack, to see which messages generate an NDR and which don't.

    Look at the SMTP headers and see if they are coming from the same IP address. If you don't have any dealings with the domain name listed, and the IP address in the headers doesn't belong to anyone you deal with, then block the IP address on the SMTP VS in Exchange.

    LVL 35

    Expert Comment

    do you have internet headers in this mail?

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