Microsoft Knowledge Base

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     This article discusses a Beta release of a Microsoft 
     product. The information in this article is provided as-is
     and is subject to change without notice. 

     No formal product support is available from Microsoft for 
     this Beta product. For information about obtaining support
     for a Beta release, please see the documentation included 
     with the Beta product files, or check the Web location 
     from which you downloaded the release.

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The information in this article applies to:

• Microsoft Outlook Express version 4.0 for Windows 95
• Microsoft Outlook Express version 4.0 for Windows NT 4.0

SYMPTOMS

When you attempt to send a signed or encrypted message, you may receive the following error message:

   The message could not be sent.
   You have not chosen the default certificate for sending digitally 
   signed messages.

CAUSE

You may have edited the message in the Outbox before it was sent.

RESOLUTION

Do not edit signed or encrypted messages in the Outbox.

STATUS

Microsoft is researching this problem and will post new information here in the Microsoft Knowledge Base as it becomes available.

MORE INFORMATION

Although the error message states that you have not chosen a default certificate to send messages with, this is incorrect. The problem stems from editing the message in the special Outbox folder.