RE: Immediate NDR delivery failure

  • From: Dêniz Feital (Chiptek) <dfeital@xxxxxxxxxxxxx>
  • To: "[ExchangeList]" <exchangelist@xxxxxxxxxxxxx>
  • Date: Sun, 8 Sep 2002 13:48:48 -0300

        I had some kind of problem like that at home, but the issue was: I
connect at but my e-mail address was something@xxxxxxx
(without .br) 

        I know its sound silly, but aol works like that, you connect in and your e-mail address is something@xxxxxxx

        Try to check that.


Dêniz Feital
GIC - Chiptek / Vésper 
Tel (11) 3489-7730
Microsoft Certified Systems Engineer

-----Original Message-----
From: David N. Precht [mailto:discussions@xxxxxxxxxxxxxxxxx]
Sent: Saturday, September 07, 2002 2:45 PM
To: [ExchangeList]
Subject: [exchangelist] RE: Immediate NDR delivery failure

Have you contaced AOL?

-----Original Message-----
From: Tom Avery [mailto:tavery@xxxxxxxxxxx] 
Sent: Thursday, September 05, 2002 08:54
To: [ExchangeList]
Subject: [exchangelist] Immediate NDR delivery failure

Hello everyone, 

I have encountered a very unique situation. I am running exchange server

5.5 with service pack 4. I am receiving the following error when my
users send email to one specific domain (in this case AOL). 

This is the error received, " The recipient was unavailable to take
delivery of the message "

What's interesting about this message, is that it is not DNS related. My

server was an open relay, but that has been corrected and the server's
IP has been removed from all the DNS block lists around including AOL. I
also know it is not related to a full mailbox, as my users can receive
email. My users can send and receive email to everywhere else except
AOL. Another interesting thing, is when I examine the e-mail header on
the returned 
message, it is blank (Listing no internet addresses or servers) which 
leads me to believe the problem is within the exchange server itself. 

Has any one ever experienced this??? If so, I would love to hear how you

corrected it. 

Tom Avery 

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