Q153150

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page	Q153150: XFOR: Err Msg: IMC The Following Recipient Couldn't Be Reached	/kb/153/Q153150/

Q153150: XFOR: Err Msg: IMC The Following Recipient Couldn't Be Reached

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Article: Q153150
Product(s): Microsoft Exchange
Version(s): winnt:4.0,5.0,5.5
Operating System(s): 
Keyword(s): kbenv exc4 exc5 exc55
Last Modified: 19-DEC-1999

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The information in this article applies to:

- Microsoft Exchange Server, versions 4.0, 5.0, 5.5 
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SYMPTOMS
========

When you send messages through the Internet Mail Connector (IMC), the following
error message may appear:

  The following recipient could not be reached . . .

This is followed by the e-mail address of the individual you were trying to
reach.

CAUSE
=====

If the Domain Name Service (DNS) administrator has used "wildcards" in the MX
entry for a domain, the above error message appears.

RESOLUTION
==========

Contact your DNS administrator (or your Internet service provider [ISP] if it is
providing DNS).

MORE INFORMATION
================

In many instances, your ISP is also providing the Domain Name Service (DNS)
resolution. This eliminates the need for smaller users to maintain their own DNS
server. However, the problem described here may also occur if your DNS server is
in-house.


Additional query words:

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Keywords          : kbenv exc4 exc5 exc55 
Technology        : kbExchangeSearch kbExchange500 kbExchange550 kbExchange400 kbZNotKeyword2
Version           : winnt:4.0,5.0,5.5
Issue type        : kbprb

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