Since I dont know what version of outlook I found this on Microsoft
OL2002: You Receive 0x8004210A, 0x800CCC0B, and 0x8004210B Error Messages
When You Send and Receive E-Mail Message with a POP3 E-Mail Account
Article ID : 827349
Last Review : March 17, 2004
Revision : 1.0
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SYMPTOMS
CAUSE
RESOLUTION
STATUS
MORE INFORMATION
SYMPTOMS
If you use a Post Office Protocol 3 (POP3) e-mail account to try to send and
receive e-mail messages in Microsoft Outlook 2002, you may receive one of
the following error messages:
Task 'smtp server name - Sending and Receiving' reported error (0x8004210A):
'The operation timed out waiting for a response from the receiving (POP)
server. If you continue to receive this message, contact your server
administrator or Internet service provide (ISP).'
-or-
Task 'machine.domain.xom - Sending and Receiving' reported error
(0x800CCC0B) : 'Unknown Error 0x800CCC0B'
-or-
Task 'smtp server name - Sending and Receiving' reported error (0x8004210A):
'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 provide (ISP).'
-or-
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).
-or-
Task Sending and Receiving' reported error (0x800CCC0B): 'Unknown Error
0x800CCC0B'
- or-
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).
Note Before you receive these error messages, an Internet Security Warning
dialog box may appear.
CAUSE
This problem occurs when your mail server requires both Secure Sockets Layer
security (SSL) and Secure Password Authentication (SPA).
RESOLUTION
Service Pack Information
This problem is corrected in Office XP Service Pack 3.To resolve this
problem, obtain the latest service pack for Microsoft Office XP. For
additional information, click the following article number to view the
article in the Microsoft Knowledge Base:
307841 How to obtain the latest Office XP Service Pack
Hotfix Information
How to Obtain the Hotfix
This issue is fixed in the Outlook 2002 Post-Service Pack 2 Hotfix Package
dated September 5, 2003. For additional information, click the following
article number to view the article in the Microsoft Knowledge Base:
827149 Availability of the Outlook 2002 Post-Service Pack 2 Hotfix Package:
September 5, 2003
After you install this hotfix, follow the steps that are listed in the "More
Information" section of this article to set the UseInetcommCS registry key
and to activate the hotfix.
STATUS
Microsoft has confirmed that this is a problem in Microsoft Outlook 2002.
This problem was first corrected in Office XP Service Pack 3.
MORE INFORMATION
WARNING: If you use Registry Editor incorrectly, you may cause serious
problems that may require you to reinstall your operating system. Microsoft
cannot guarantee that you can solve problems that result from using Registry
Editor incorrectly. Use Registry Editor at your own risk.
To activate this fix, follow these steps: 1. Quit Outlook.
2. Click Start, and then click Run.
3. In the Open box, type regedit, and then click OK.
4. Locate, and then click to select the following registry key:
HKEY_CURRENT_USER\Software\Microsoft\Office\Outlook
5. After you select the key that is specified in step 4, point to New
on the Edit menu, and then click DWORD.
6. Type UseInetcommCS, and then press ENTER.
7. Right-click UseInetcommCS, and then click Modify.
8. In the Value data box, type 1, and then click OK.
9. On the File menu, click Exit to quit Registry Editor.
