Error occurs when you send or receive an email message in Outlook or Outlook Express

Important This article contains information that shows you how to lower security settings or how to turn off security features on a computer. You can make these changes to work around a specific problem. Before you make these changes, we recommend that you evaluate the risks that are associated with implementing this workaround in your particular environment. If you implement this workaround, take any appropriate additional steps to help protect the computer.


This article lists common methods to help you troubleshoot problems that you may experience when you receive or send an email message in Outlook or Outlook Express.

You should try these methods when you encounter the following errors:

Error list


To resolve this issue, use one or more of the following methods. After you complete each method, send yourself a test email message to make sure that you can send and receive messages without receiving an error message. If you continue to receive errors, try the next method.

Method 1: Make sure that you are connected to the Internet
Method 3: Delete suspicious email messages from your mailbox
Method 4: Check your antivirus manufacturer's website for additional suggestions
Method 5: Configure your firewall software to enable Outlook to access the Internet
Method 6: Repair your Outlook or Outlook Express

Note The following methods are for Outlook only.
Method 7: Make sure that your email profile works correctly (Outlook only)
Method 8: Start Outlook in safe mode (Outlook only)
Method 9: Run the Inbox Repair Tool to repair your .pst file (Outlook only)
Method 10: Clean up email messages that are stuck in your Outbox (Outlook only)

More Information

Third-party products that cause this problem
Run the MAPI Repair Tool (Outlook only)
Re-create the Sent Items.dbx file (Outlook Express only)
Verify all SMTP email addresses in the distribution list (Outlook only)
Increase the server time-out setting
Microsoft provides third-party contact information to help you find technical support. This contact information may change without notice. Microsoft does not guarantee the accuracy of this third-party contact information.
The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, about the performance or reliability of these products.

Article ID: 813514 - Last Review: Sep 23, 2015 - Revision: 1

Outlook 2016, Microsoft Outlook 2013, Microsoft Outlook 2010, Microsoft Office Outlook 2007, Microsoft Office Outlook 2003, Microsoft Outlook 2002 Standard Edition, Microsoft Outlook 2000 Standard Edition, Microsoft Outlook Express 5.5