When you send e-mail with Outlook Express, you may receive the following error message:
If you click Details, you may receive the following error message:

Back to the top

This behavior can occur if you configure Outlook Express to use the ATT WorldNet Software Dial-Up Networking connector to connect to the ATT Internet service provider (ISP) service.

Back to the top

To resolve this behavior configure Outlook Express to use a local area network (LAN) connection instead of using the ATT connector that is included with the ATT software. To do this, either establish the connection to ATT before you start Outlook Express or create a new Dial Up Networking connector for the ATT service, and then configure Outlook Express to use that connector. For information about how to create an ATT connector, view the following Wurd Web site: To create a new Dial Up Networking connector for the ATT service:

1.	Start Outlook Express, and then click Accounts on the Tools menu.
2.	Click the Mail tab, click ATT mail account, and then click Properties.
3.	Click the Connection tab, click the connection that you want from the box, and then click OK.

Back to the top

The Wnmsgupdt.exe file is the program file that is in the ATT folder that is created when you install the ATT WorldNet software. The current version of this software is available on the following ATT Web site: The third-party products that are discussed in this article are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, regarding the performance or reliability of these products.

Back to the top