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Facing 0x800CCC79 Windows Live Mail error is often a frustrating experience for users. This article presents a detailed overview of the 0x800CCC79 error, the reasons behind it, and methods to resolve it.
Windows Live Mail is a discontinued email client from Microsoft. Since 2013, users have faced multiple security issues and errors that critically affected their workflow. Especially since January 2017, Microsoft discontinued its services for Windows Live Mail, users aren’t receiving any technical support from the Microsoft support team. Users who are still using it are facing multiple problems. One such recurring error faced by users is the ‘0x800ccc79 Windows Live Mail error’ which occurs while sending emails.
This blog presents a comprehensive overview of the Windows Live Mail 0x800CCC79 error and outlines some of the most useful methods to resolve this error.
What is the 0x800CCC79 Windows Live Mail Error?
0x800CCC79 is one of the most common errors faced by users, which generally occurs while sending an email to the target recipient. But, instead of the message being sent, this error message appears on user’s screen:
The message could not be sent because one of the recipients was rejected by the server. The rejected e-mail address was ‘recipient@mail.com’. Subject ‘****’, Account: ‘servername.com’, Server: ‘servername.com’, Protocol: SMTP, Server Response: ‘550 relay not permitted’, Port: 465, Secure (SSL): Yes, Server Error: 550, Error Number: 0x800CCC79
Another instance where users might face this error is while trying to log in or launch the Windows Live Mail. In this case, the error message appears in the corner of the screen and disappears automatically after some time. However, its constant recurrence is annoying to users.
Reasons Behind the 0x800ccc79 Windows Live Mail Error
Before attempting any solutions to resolve the 0x800ccc79 error, it’s essential for users to understand the reasons behind it. Some of the most common causes behind this error are:
- Missing SMTP authentication for sending emails.
- Trying to add an email account that uses modern authentication for login.
- Entering outdated SMTP server settings, resulting in authentication issues.
- Interrupted connection between email client and the server.
- Internet service providers creating issues in sending and receiving emails.
- Virus/malware attack on the device.
Solutions to Fix 0x800CCC79 Windows Live Mail Error
Now that we know the possible reasons behind this error, we are providing some manual solutions to resolve this issue as quickly as possible. Users are advised to back up WLM emails to a safe location before attempting any of the given manual methods to avoid data loss.
Solution 1. Verify the SMTP Settings
Issues with the SMTP server settings can create problems while trying to send emails to people. It is necessary to have the correct settings configured to send and receive emails without an issue. Follow the steps below to verify your system’s SMTP settings:
Step 1. Run the Windows Live Mail application on your device. Then right-click on your account and click on Properties.
Step 2. In the Properties window, navigate to the Servers tab.
Step 3. In the Outgoing Mail Server section, tick the My server requires authentication checkbox and click OK.
Step 4. Restart the Windows Live Mail application and check if the error has resolved or not.
Solution 2. Use Offline Mode in Windows Live Mail
Sometimes while logging into Windows Live Mail, users might experience the 0x800CCC79 error which can bring the work operations to a complete halt. This situation generally occurs if there is a stuck mail in the mailbox Outbox folder. Operating Windows Live Mail in offline mode might just resolve this error. Follow the steps below to launch your WLM account in offline mode:
Step 1. Launch the Windows Live Mail application on your system and wait for the error message to disappear.
Step 2. Now navigate to the File tab and click on the Work offline option. This will shift your WLM profile to offline mode.
Step 3. Afterwards, go to the Outbox folder and choose the email that’s causing issues. Right-click on it and click on Delete to move it to the trash folder.
Step 4. Navigate back to the File tab once again and click on the Work offline option once again to switch back to online mode.
Step 5. Restart your Windows Live Mail application and make sure everything is working as intended.
Solution 3: Log Out and Log In Again
If none of the above two methods can fix Windows Live Mail error ID 0x800CCC79 issue, try to remove your current email account from WLM and then add it again. Sometimes reconfiguring the account resets some email settings that help to fix different email send or receive errors.
Solution 4: Create App Passwords
If you have or are trying to add an email account from an email provider that uses modern authentication, like Gmail, Exchange, etc., in WLM, then you will need app passwords. WLM only supports basic authentication. So, if your current email provider is trying to establish a connection using modern authentication rules, the connection will break, and you will get the Windows Live Mail error 0x800CCC79. To resolve the connection issue, create the application password for the email and log in using the app password instead of the regular standard password.
How to Fix Windows Live Mail Error 0x800CCC79 Permanently?
It’s likely that these methods might not work as expected due to the fact that Microsoft no longer supports Windows Live Mail. This has given rise to several errors with no permanent solution available. To resolve the error forever, the best solution is to shift from Windows Live Mail to Microsoft Outlook email client.
For migrating emails from WLM to Outlook, you have two options:
1) Export Emails to Outlook Using WLM: Install and configure Outlook. Then, use WLM’s export function to directly move emails to the Outlook profile.
2) Convert EML to PST: In case exporting emails doesn’t work due to errors in WLM, you can also try EML to PST Converter which converts all your WLM emails into a PST file. The output PST will be compatible with all versions of Outlook.
Conclusion
Windows Live Mail application error ID 0x800CCC79 can be fixed using the manual solutions described above. However, to avoid facing these errors repeatedly, migrating from the Windows Live Mail email client to Outlook is the best option. Switch the email client either using the built-in export feature of WLM or, if WLM fails, you can also use EML Converter tool to convert all the EML files of WLM to Outlook-ready PST file.
Frequently Asked Questions
A. There are multiple alternatives to WLM. You can use Outlook, Gmail, Thunderbird, Zoho Mail, or any modern IMAP-supported email client. What is best for you depends upon your requirements.
A. To import EML files to Office 365, the safest option is to use a professional tool that supports directly migrating offline EML files into any Office 365 account.
