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0x800CCC0D is basically a failure to establish a connection. It can be caused by a number of different things. The error message will usually indicate what the problem is. An example of what this error looks like is: The most common causes of this error are: - Incorrect server address - Incorrect port number - Secure connection (SSL) or Secure Password Authentication settings Some antivirus programs will change the server address also. If all settings are correct and antivirus software isn't interfering, try pinging the mail server to ensure it is responding to connections.


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