How do I Fix my Thunderbird Email?

Thunderbird is a user-friendly and email application available in-browser and on Windows, Mac and Linux systems. Since its inception, Thunderbird has been looked after by Mozilla Messaging and the Mozilla Corporation. Mozilla is still hosting multiple beneficiaries.

If you are wondering How do I fix my Thunderbird Email, you have exactly landed on the right page, where you will get an in-depth solution to the problems related to the Thunderbird email. Some common problems and solutions have been listed for user convenience below.  

Thunderbird Email Account Setup Problems

While setting up the email account, some subscribers may face problems like Thunderbird not connecting to the server. Check if you are using the correct password by logging into your account via webmail on your web browser.

Problem 1: The Server Is Not Supporting Encryption

You get a warning with respect to the server not supporting encryption due to some security issues. This issue can leave the server communications more vulnerable to hacking attempts.

How to fix this

Change Settings

In the warning, you see the change settings button. Click on it and do the following:

• Change the security connection to SSL/TLS.
• Change the authentication method to a normal password.
• Change the port to nine nine three.
• After you change the settings, save them and relaunch Thunderbird.

Select a Different Email Provider

If modifying the settings does not solve the issue, you can select a different email provider that offers a more secure connection.

Problem 2: You are Unable to Send or Receive Messages

How to fix this

Verify IMAP Settings

• It would help if you had IMAP to receive messages. To check the IMAP settings:
• Click on the email account that faces issues.
• Under options, click on account settings.
• Select server settings in the left-hand tab.
• Make sure you are using the nine nine three-port, SSL/TLS connection security, and Normal password.

Check SMTP Settings

• It would help if you had SMTP to send messages. To check SMTP settings:
• Go to account settings like in the former step.
• Then click the outgoing server in the left-hand tab.
• Make sure you’re using the five eight seven port, none in connection security, and normal password.

Whitelist Thunderbird in Your Antivirus Software

If your server settings are fine, it is probably the case that your firewall or antivirus does not trust the Thunderbird version or any new updates, which may be due to the Thunderbird Email Problems.

For this, you need to change the settings in Windows Security and Windows Firewall.

Rollback Thunderbird

The solution for this issue lies in simply rolling Thunderbird back to a previous version.

Contact Your Internet Service Provider (ISP)

You can contact your ISP for any extra help. For instance, if you are using Gmail, check the Google Dashboard for any status updates in case it faces downtime.

Problem 3: You are Unable to Delete Messages

If you cannot delete messages, it may be caused by a corrupted trash folder. Also, sometimes Thunderbird may freeze when deleting messages; in this case, try relaunching the app.  

Problem 4: Thunderbird’s Slow Working

How to Fix This

• Updating Thunderbird

Quite often, an outdated version of Thunderbird causes issues, and Thunderbird may freeze on Windows 10 platform. Users can fix the slow running issues by updating Thunderbird. 

• Try Running on Safe Mode

You can make use of the Safe Mode to troubleshoot issues and reset the settings.

• Disable Add-ons

You can also fix the issue by disabling the add-ons from Safe Mode.

• Uninstall and Reinstall Thunderbird

If your Thunderbird installation is affected, then Thunderbird problems may occur. This can be easily amended in most cases by reinstalling the Thunderbird application.

Remember, applications can leave behind that specific entries or files despite uninstalling. Those files can cause some future issues, so it is advised to remove them manually.

Problem 5: IMAP Server Error 

Thunderbird IMAP problems occur due to the function of the IMAP server, which may be configured to only allow a restricted number of connections per IP address.
Therefore if you have issues regarding the same, feel free to contact Thunderbird Customer Service. Also, kindly leave your feedback on your experience with an expert at Thunderbird.