RE: Not acceppt mail noexistinguser@mydomain.com

  • From: "Neil Hobson" <Neil.Hobson@xxxxxxxxxxxxxxxxx>
  • To: "[ExchangeList]" <exchangelist@xxxxxxxxxxxxx>
  • Date: Thu, 14 Aug 2003 11:02:52 +0100

I would say that Exchange 2003 has what you're after.  E2k3 has a new
check box called 'Filter recipients who are not in the directory'.  This
means that, at the SMTP verb level, your server generates a '5.1.1 User
Unknown' response to a message to a recipient not in your GAL.  Also, no
NDR is generated.

Neil 


-----Original Message-----
From: Cory D. [mailto:coryd@xxxxxxxxx] 
Sent: 13 August 2003 15:31
To: [ExchangeList]

http://www.MSExchange.org/

That is a nice B-Log.
But how can I disable NDR's, I am getting hit with people sending
between 1 and 40 spam's/min/connection(as much as 4000) and I do not
want the extra traffic of a NDR. I have already unchecked "allow
delivery receipt message" and "allow non-delivery message". What I want
is to be rude and just totally cut it off, like hanging up on a
telemarketer. No response just an empty line. There has to be some sort
of re-direct or reg hack.

-----Original Message-----
From: Ezzeldin, Ezzeldin S. [mailto:ezzeldin@xxxxxxxxxxxxxxxxx]
Sent: Tuesday, August 12, 2003 4:23 PM
To: [ExchangeList]
Subject: [exchangelist] RE: Not acceppt mail noexistinguser@xxxxxxxxxxxx


http://www.MSExchange.org/

Check this link. Hope that what you are looking for.

http://hellomate.typepad.com/exchange/2003/07/dealing_with_ba.html


Thanks,
Ezzeldin


-----Original Message-----
From: Cory D. [mailto:coryd@xxxxxxxxx] 
Sent: Tuesday, August 12, 2003 1:26 PM
To: [ExchangeList]
Subject: [exchangelist] RE: Not acceppt mail noexistinguser@xxxxxxxxxxxx

http://www.MSExchange.org/

I would like to hear an answer for this as well, this is happening to me
as well.

Cory D.
email:  mailto:coryd@xxxxxxxxx

-----Original Message-----
From: oskar.ruckle@xxxxxxxxx [mailto:oskar.ruckle@xxxxxxxxx] 
Sent: Monday, August 11, 2003 4:58 AM
To: [ExchangeList]
Subject: [exchangelist] Not acceppt mail noexistinguser@xxxxxxxxxxxx


http://www.MSExchange.org/

Hi!

I have serious amounts of junkmail in the BadMail folder at one of my
customers. The customer is Running Exchange 2000 SP3 and the Relay
protaction is fine as far as I can see!

The problem is that that the badmail foler rapidly builds up with
junkmail addressed bogusmail@xxxxxxxxxxxx, nouser@xxxxxxxxxxxx, (where
mydomain is the correct maildomain, but it can be anything before
"mydomain.com")

The problem is that the server acceppts mail for users/mailboxes that
don't exist during the session and then wants to send an NDR. This
however results in loads of NDR's in the BadMail folder.

Is there any way of forcing Exchange to reject mail during the session
for users/mailboxes that dont exist on the system?

Many thanks in advance!

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