The issue you are facing is just Outlook configuration issue you need to Reconfigure your Outlook for the bellow error
Sending reported error 0x800CCC80 ‘None of the authentication methods supported by this client are supported by your server’.
To resolve this issue please flow these steps
1. Click on File->Info->Account settings.
2. Double click on the e-mail account.
3. Click on more settings->Outgoing server.
4. Uncheck the box my server requires authentication.
5. Click ok.
6. Click next->finish and check.
https://support.microsoft.com/en-in/kb/2483175
https://www.msoutlook.info/question/36
Best
