BUG: CDO (1.21) Copies Unnecessary Properties in Forwarding and Replying (219691)

The information in this article applies to:

Collaboration Data Objects (CDO) 1.21
Microsoft Exchange Server 5.5

This article was previously published under Q219691

SYMPTOMS

If a Collaboration Data Objects (CDO 1.21) application receives a message from a POP3 user in the site and replies to or forwards the message to a non-existent Internet recipient, a non-delivery report (NDR) may be sent to the POP3 user. In addition, if a CDO (1.21) application replies to a message from an Internet message that includes a "Reply-To" field, CDO (1.21) copies the "Reply-To" field to the reply message.

CAUSE

CDO (1.21) copies unnecessary MAPI properties to new messages in Forward, Reply and ReplyAll methods.

RESOLUTION

To resolve this problem, obtain the latest service pack for Exchange Server version 5.5. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

191014 XGEN: How to Obtain the latest Exchange Server 5.5 Service Pack

The English version of this fix should have the following file attributes or later:

Component: CDO (1.21)

File name	Version
Cdo.dll	5.5.2564.0

STATUS

Microsoft has confirmed that this is a problem in Collaboration Data Objects (CDO) version 1.21. This problem was first corrected in Exchange Server 5.5 Service Pack 3.

Modification Type:	Minor	Last Reviewed:	9/23/2005
Keywords:	kbHotfixServer kbQFE EXC55SP3Fix kbBug kbfix kbMsg kbQFE KB219691