Error Message: The connection to the server has failed. Subject '', Account: 'Work Email', Server: 'smtp.clear.net.nz', Protocol: SMTP, Port: 25, Secure (SSL): No, Socket Error: 10013, Error Number: 0x800ccc0e
Outlook Error 0x800CCC0E is a most common bug in Microsoft Outlook, which evolves either due to the wrong configuration of Outgoing server details (SMTP) or alteration in SMTP port number from the ISP (Internet Service Provider). Actually, it is encountered when ISP suddenly makes changes in the port number for outgoing server and block the SMTP port value 25 so a user could transmit their emails.
Fixes which help in sorting Outlook Message 0x800CCC0E:
Now, try to send an email and if you would not find any issue in sending messages, then congratulation because error code 0x800CCC0E has been fixed.
In some cases, giving authentication to the outgoing server is not a permanent fix to troubleshoot error 0x800CCC0E in MS Outlook. Extraneous factors like blocked sending port number (25) from ISP also responsible for the Outlook error 0x800CCC0E and we need to go with alternative fixes (if they are available).
An installed antivirus and firewall program can also cause Outlook Error message 0x800CCC0E. So, disable the anti-virus and firewall programs and try to send email These scanning programs are responsible for most of the Outlook error messages because high privacy level of these programs assumes emails as spam and do not allow them to move forward.
Hopefully, the above solutions help you in fixing Outlook Error 0x800CCC0E that manifest during sending an e-mail. If these do not work and you are still getting reluctant error messages while sending message in Microsoft Outlook, then switch to "scanpst.exe" or Recover Outlook Files Tool as it might be showing errors because of corruption within PST file.