5 Steps To Fix Thunderbird Not Receiving Emails Issue

Mozilla Thunderbird is one of the best email service providers known for providing the best features like multi-account support, privacy, customization, and more. Thunderbird shares the most reliable emailing experience with its users, however, from time to time, an incredible email service provider like Thunderbird can also have technical errors. One of the most common issues faced by the users while using the Thunderbird email service is that ‘Thunderbird not receiving the emails’. What will you do if you have some important emails to receive, and your email suddenly stops working? 

Fortunately, if you are a Thunderbird email user, this problem can be fixed in a matter of minutes. In this guide, we are going to provide you with easy instructions that can help you to resolve Thunderbird not receiving email problems on your device. So, proceed with the guidelines we have mentioned to find and fix the problem.

Also Check: How To Setup Gmail In Thunderbird Using IMAP?

 

Why is Thunderbird not Receiving Emails?

There could be a number of possible reasons due to which Thunderbird may not receive emails. Incorrect SMTP server settings, or IMAP server settings causing the trouble. The installed Firewall on your system can also cause the Thunderbird not receiving some emails. Or, you may have enabled SSL filtering in ESET that may stop the emails from functioning. 

 

Steps to Fix Thunderbird not Receiving Emails Problem

If you want to resolve the issue, proceed with the troubleshooting steps we have mentioned below and fix it.

 

1. Check the SMTP Server Settings

If you are unable to receiving emails using your Thunderbird email, you need to check the SMTP settings for the email. Here the SMTP stands for simple mail transfer protocol that works like a mailman in your email system. In short, all the emails you send are posts gathered by the SMTP server and later distributed to respective recipients. The incorrect SMTP server settings can also be the reason that your Thunderbird email is not working. Therefore, you need to make sure that you are using the correct SMTP server settings for your email. Also, you need to make sure that you are not trying to send an email from your Thunderbird email using another email service SMTP server.

  1. Open the Thunderbird email.
  2. Click on the ‘Menu‘.
  3. Tap on the ‘account settings‘ option.
  4. Choose your account name.
  5. Tap on the outgoing server.
  6. Check your email address SMTP server settings. You can visit the Thunderbird support page to check the settings to use.

 

2. Check the IMAP Server Settings

  1. To check the IMAP server settings, tap on the three lines. This will open the menu.
  2. Go to the Options.
  3. Select ‘server settings‘. Check and make sure that you are using the right IMAP server settings for your email.

 

3. Disable the Installed Antivirus Firewall 

There are chances that the firewall or antivirus installed on your device is stopping Thunderbird from receiving the emails. If you want to fix the  Mozilla Thunderbird not receiving emails problem on your device, disable the firewall or antivirus software for a while. In case you are still unable to receive an email, you have to whitelist the Thunderbird.

 

In case you are using the Windows security

  1. Go to the ‘settings‘.
  2. Select ‘update security‘.
  3. Click on the ‘windows security‘.
  4. Select ‘virus and threat protection‘.
  5. Click on the ‘manage settings‘ option.
  6. Choose ‘add or remove exclusions‘, tap on the ‘ add an exclusion’ option.
  7. Choose the Thunderbird option.

 

In case you are using a firewall

  1. Open the windows search bar, type firewall.
  2. Click on ‘Allow an app through the firewall‘.
  3. Choose the ‘change settings‘ option.
  4. Click on the ‘allow another app‘ option
  5. Add the Thunderbird email to the list.

You have to follow the steps according to the antivirus Firewall software you have installed on your device to troubleshoot the problem.

 

4. Disable the SSL Filtering

In case you are using the security tools from ESET, you can simply try to turn off the SSL filtering to troubleshoot the problem. This will help you to resolve the Thunderbird not receiving emails error on your device. Here are the steps you can follow to disable the SSL filtering.

  1. Open the ESET program.
  2. Press the F5 key.
  3. You will be directed to the advanced setup.
  4. Tap on ‘web and email‘.
  5. Expand ‘SSL/TLS‘.
  6. Disable the ‘SSL/TLS protocol filtering‘ with the help of a slider.
  7. Save the changes and restart your device.

 

5. Contact the Internet Service Provider

In some of the cases, the internet service provider also blocked outgoing messages on several ports that caused Thunderbird not receiving email problems from some users. To fix the problem, you can switch to another port, or you can get in touch with your internet service provider for further help. You need to make sure that everything is up on the end of your internet service provider and running fine. Ask your ISP if they have set any spam filters, the spam filters can also be the reason that you are unable to receive emails on your Thunderbird email as these filters could block or delete the emails.

 

The Wrap-Up 

After working with the above-mentioned troubleshooting guidelines, you would be able to resolve Thunderbird not receiving emails errors on your computer. It is important to make sure that there is ample space available on the server to receive new emails. If you are using the Thunderbird emails for corporate and you have a limited server size, you may get this error. When the space is fully filled, the user is unable to receive the new emails. 

In such a situation, it is recommended to delete some old Emails and remove the attachments. You can also export emails to some other place. If you are still having the problem and Thunderbird is not receiving emails, you can simply get in touch with the team of email support experts for professional help. The professionals can help you to find the best possible solution to the problem immediately, and also share useful tips to create space on the server for receiving the new Thunderbird emails.

 


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