The recipient was unavailable to take delivery of the message

  • From: "Tom Avery" <tavery@xxxxxxxxxxx>
  • To: exchangelist@xxxxxxxxxxxxx
  • Date: Tue, 3 Sep 2002 20:54:02 -0600

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).

Your message did not reach some or all of the intended recipients.

To: 'XXX@xxxxxxx'
Subject: test
Sent: 9/3/02 7:02:38 PM

The following recipient(s) could not be reached:

'gojeni@xxxxxxx' on 9/3/02 7:02 PM

    The recipient was unavailable to take delivery of the message
        The MTS-ID of the original message is: c=US;a= ;p=American
Trailer;l=EXCHANGE-CDM-020904020238Z-78
    MSEXCH:IMS:American Trailer Corp.:CDM:EXCHANGE-CDM 3550 (000B09AA) 550
703.265.4670.

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. 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.

Thanks,
Tom Avery


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