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Outlook And Outlook Express (Windows) Termination Upon Send

If Outlook or Outlook Express report Socket Error: 10051, Error Number: 0x800CCC0E, or Error Number: 0x800CCC0F after attempting to send a message, port 25 may be blocked. This error message may also be seen if you are not using the latest version of Windows 2000, or Outlook Express.

For specific assistance with Microsoft products, please review the MS Support site for details on their products.