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0x8004210B

If you use a POP3 email account and when you send / receive messages in Microsoft Outlook 2002 you may get the following errors.
  • Task - Sending ' reported error (0x8004210B): The operation timed out waiting for a response from the sending (SMTP) server. If you continue to receive this message, contact your server administrator or Internet service provider (ISP).
This problem occurs when your mail server requires both Secure Sockets Layer security (SSL) and Secure Password Authentication (SPA). This problem is corrected in Office XP Service Pack 3.

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