Article ID: 2713772 - View products that this article applies to.
When you send an e-mail message using Simple MAPI, the e-mail message does not get immediately sent. Instead, it remains in your Outbox until a Send/Receive operation occurs in Outlook.
Note: Sending an e-mail message using Simple MAPI is done when you use an application other than Outlook to initiate the sending operation. For example, you right-click a file on your desktop, select Send To and then click Mail Recipient.
This problem occurs when both of the following items are true:
Outlook 2013, Outlook 2010 or Outlook 2007
Note, in the above registry key path, x.0 corresponds to your version of Outlook (15.0 = Outlook 2013, 14.0 = Outlook 2010, 12.0 = Outlook 2007)
To resolve this problem, use one of the following solutions.
The StrictAccountOrder registry value was first introduced in Outlook 2002. Please see the following article for additional details on this registry value.
319820 OL2002: You Receive an NDR When You Use a Simple MAPI Program to Send a Message