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Fix Outlook Error 0x800ccc0b sending e-mail error.

Outlook is the very popular information management system which allows you to manage your e-mails, messages, contacts, journals, notes, appointments etc in very easiest way. However, it gives the very easy interface to manage information, yet it raises various error messages along with error code. Outlook error code 0x800ccc0b is such kind of error message which occurs at the time of sending e-mail through the outlook. The outlook error 0x800ccc0b prevents the user from sending e-mails but it allows you to receiving e-mail without encountering any error.

"An unknown error has occurred. Subject 'test', Account: '', Server: '', Protocol: SMTP, Port: 465, Secure(SSL): Yes, Error Number: 0x800CCC0B"

Cause of this error :-

This error occurs when configured e-mail provider does not allow sending messages using SMTP without having server authentication. On other hand, there might be more other reason which can cause this error like:

  • Incorrect account settings
  • Corrupt user profiles or PST files
  • Incorrect outlook installation
  • Error in mail server etc.

How to Fix Outlook error 0x800ccc0b

It is very easy to resolve outlook error code 0x800ccc0b from the PC. Just go through the following ways and fix this error easily.

  1. Open outlook and go to the Tools > Accounts
  2. Then select the account and click properties.
  3. Click on Servers tab and check the My server requires authentication check box under Outgoing Mail Server.
  4. Then click OK.

After applying the above mentioned steps, the outlook error 0x800ccc0b will be fixed easily. If you are also getting this error then there might be another problem in your outlook. PST corruption is the second big reason for this error. If this file gets corrupted then outlook is unable to do various tasks and raises uncountable error message. In order to fix corrupted PST file, use free scanpst.exe tool. You can find this tool on your hard drive. After scanning your PST file with this tool, you won’t get any error messages. Sometimes the scanpst.exe is unable to fix outlook problem. In this situation there is another best option to fix PST problem. You can use PST Repair Tool, which is an advanced and more efficient tool then scanpst.

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