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When you try to send emails from Outlook using a POP3 or IMAP account, you receive the following error message:
Error message: 0x800CCC80 – None of the authentication methods supported by this client are supported by your server.
The error described in the Symptoms section may occur if your Outlook email account is not configured to connect to the incoming server before sending emails, but your Internet Service Provider (ISP) requires you to authenticate via SMTP before sending emails.
It is possible to configure the encryption method when connecting and disconnecting to the server. It can be predefined or manual, depending on the customer’s needs. The encryption method is programmed for security reasons. This encryption ensures that the current client connects to the server. You can set the test message via Outlook.
How to fix an Outlook 0x800ccc80 error – None of the authentication methods supported by this client are supported by your server:
Disable or uninstall the antivirus
For other suggestions, visit your antivirus manufacturer’s website or turn off your antivirus software. And disable the router’s firewall. If you have determined that Outlook is working properly after disabling the antivirus software, we strongly recommend that you uninstall it and reinstall it with your delete tool.
Verify Outlook settings
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This Microsoft Outlook error usually occurs when there is an authentication problem when sending messages. In your email client settings, check to see if username and password authentication is enabled on the outgoing email server. This is essential if you are using our SMTP server. If you are using MS Outlook Express, you will find this option here in the menu: Tools -> Accounts -> Accounts -> Messaging Tab -> Properties -> Server Tab -> “My server requires authentication”.
Also check the SMTP settings, port number, SSL settings and enable the “My outgoing server (SMTP) requires authentication” option.
Username: the complete email address
Port: 25 (without SSL) 465 (with SSL enabled)
Incoming mail server (POP3): mail.yourdomain.com
Outgoing mail server (SMTP): mail.yourdomain.com
Authenticate the username and password
Steps to authenticate Outlook with a username and password:
Step 1: Open the File menu, click on Info, then on Account Settings.
Step 2: Double-click the email account and click on Other Settings.
Step 3: Now click on the outgoing server and uncheck the box on my server that requires authentication.
Step 4: Now select the ok button and press Next, then click Finish.
Step 5: Restart Outlook, you may not receive an Outlook 0x800ccc80 windows 10 error.
By following the troubleshooting steps above, the problem with Outlook 0x800ccc80 error – None of the authentication methods supported by this client is supported by your server.
https://support.microsoft.com/en-us/help/2483175/sending-mail-from-outlook-results-in-error-0x800ccc80
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