RE: Directory Harvest Attack
- From: "Steve Moffat" <steve@xxxxxxxxxx>
- To: "[ExchangeList]" <exchangelist@xxxxxxxxxxxxx>
- Date: Mon, 6 Dec 2004 14:56:32 -0400
GFI
Steve
________________________________
From: Tiago de Aviz [mailto:Tiago@xxxxxxxxxxxxxxx]
Sent: Monday, December 06, 2004 9:56 AM
To: [ExchangeList]
Subject: [exchangelist] Directory Harvest Attack
http://www.MSExchange.org/
Hello All,
I've been suffering a DHA for the last two weeks. Nothing major, just a couple
of e-mails per minute, but it is clogging my spam box with all kinds of invalid
addresses.
I've disabled NDR´s so the dude who's sending these things won't be able to
know which e-mails are valid or not.
I´ve tracked these messages and they appear to be coming from all over the
place. How can I fight it? Disabling NDR´s is not a cool solution because
people can´t know if a message was delivered here.
Thanks in advance,
Tiago
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