RE: The recipient was unavailable to take delivery of the message

Tom

The only thing I can suggest is DNS related, do you have a reverse DNS zone,
if not, you need one AOL does reverse DNS lookups on incoming mail and if
you do not have a reverse lookup zone they will reject the mail.

Mark Fugatt
Pentech Office Solutions Inc
www.4mcts.com
www.exchangetrainer.com
Tel:  585 586 3890
Fax: 585 249 0316
Cell: 585 576 4750
Visit www.msexchange.org for valuable information about Microsoft Exchange


-----Original Message-----
From: Tom Avery [mailto:tavery@xxxxxxxxxxx]
Sent: Tuesday, September 03, 2002 10:54 PM
To: [ExchangeList]
Subject: [exchangelist] The recipient was unavailable to take delivery
of the message


http://www.MSExchange.org/

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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