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Outlook errors are occurring intermittently in the form of 0x800CCC0E, 0x800CCC6F, 0x80042108 etc.

Errors produced in Outlook and Outlook Express in the form of 0x800***** can be referenced by the Microsoft support database at which will give the cause and solution to the error. 

Common causes of these issues: 

SMTP authentication enabled/disabled when it should be the opposite. 

- Your ISP is blocking access to 3rd party SMTP servers, try changing the SMTP port to '587', or try using your ISP's SMTP server details. 

- Your Outlook account has become corrupt, delete and re-create it to try resolving this. 

- The package has only been created in the last few hours, and the DNS changes have not yet fully propagated. 

- Your firewall could even be blocking your mail client if you haven't used it before.
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