Fix Outlook error 0x800CCC0E
This is probably because the My outgoing server (SMTP) requires authentication option is missing.
How to fix it in Outlook
Depending on the version and language, go to Tools → Accounts → Preferences → Servers. There activate the SMTP authentication option. If it asks for a username and password, write the full email address and password for that account.
If you do not remember the ports or configuration data, enter How do I access my Control Panel? (cPanel) and, in the Email accounts section, you will find the data to connect.
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