XADM: 1993 Private Extension Support on Per-Message Envelope (145794)
The information in this article applies to:
- Microsoft Exchange Server 4.0
This article was previously published under Q145794 SYMPTOMS
When you send a message from a DEC All-in-One mail system to a Microsoft
Exchange Server with the X.400 Connector, the message may not get to the
intended Microsoft Exchange Recipient and the original sender may not
receive a Non-Delivery Report (NDR). No errors will be recorded in the
Windows NT Event Log.
However, messages sent from Microsoft Exchange to DEC All-In-One recipients
flow fine. Additionally, messages sent from Microsoft Exchange to DEC with
a read receipt requested will successfully return the read notification
back to the Microsoft Exchange sender.
MORE INFORMATION
The 1993 X.400 recommendation supports a per-message envelope Private
Extension. Digital Equipment's latest version of Mailbus400 MTA (v2.0)
implements this extension. Microsoft Exchange Server version 4.0 does not
support per-message envelope Private Extensions. Service Pack 2 (SP2) and
Microsoft Exchange Server version 4.0a add support for per-message envelope
and report content Private Extensions.
NOTE: Microsoft Exchange Server does not support per-recipient Private
Extensions.
STATUS
Microsoft has confirmed this to be a problem in Microsoft Exchange Server
version 4.0. This problem was corrected in Microsoft Exchange Server 4.0
U.S. Service Pack 2. For information on obtaining the service pack, query
on the following word in the Microsoft Knowledge Base (without the spaces):
| Modification Type: | Minor | Last Reviewed: | 4/28/2005 |
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| Keywords: | kbusage KB145794 |
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