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Outlook Sending Error (SSL) Sending' reported error (0x800CCC80)

Error Sending' reported error (0x800CCC80) : 'None of the authentication methods supported by this client are supported by your server.'

The following video will show you how to correct this error message.

Please contact our support team and ask them for your mail server this is something that you will need in order to make this correction.

Prefer Written Instructions?

How to Fix the Common Outlook Sending Error 0x800CCC80


The error 0x800CCC80 is a common issue related to sending mail in Outlook, especially if you're using old mail servers.

Access Account Settings:

Launch Outlook.
Click on the “File” tab in the top-left corner.
Navigate to “Account Settings”.
Select the "Account Settings" option from the dropdown.

Navigate to Email Accounts:

An “Email Accounts” box will appear. If you have multiple email accounts set up in Outlook, remember to apply these changes to each account.
Select the email account you want to modify.
Click on the “Change” button.

Modify Server Details:

Observe the current values for "Incoming Mail Server" and "Outgoing Mail Server". They might be based on your domain name.
Due to recent changes, Outlook now uses SSL to send mail. To address the sending error:
Replace the "Outgoing Mail Server" with the appropriate server address.
To obtain the correct server address, contact your support team through chat and request the mail server details for your account.
For the demonstration, "" was used as the server address. Your server might have a different name or number.
As a best practice, it's recommended to also update the "Incoming Mail Server" with the same server address, even though the main issue pertains to the outgoing server.

Finalize the Changes:

After updating the server details, click on the “Next” button.
The system will perform a quick test to verify the new settings.
If everything is set correctly, the tests should pass without any issues.
Click on the "Close" button on the test results window.
Click on the “Finish” button to save and exit the setup.

Restart Outlook:

Close and restart the Outlook application.
This step ensures the changes are fully integrated, and should resolve the sending error.


With these steps completed, the common Outlook sending error 0x800CCC80 Certificate name does not match input should now be resolved. If any issues persist, it's always a good idea to reach out to your support team for further assistance.

Updated on: 10/26/2023

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