Get The Solutions Of Thunderbird Authentication Failure Probem

How To Fix Thunderbird Authentication Failure?

Thunderbird is a free, cross-platform application for managing emails, news, feeds, chat, and newsgroups. Its message filtering feature is one of the robust functionalities. The IMAP support for large folders is fast enough and satisfies most of the user needs. Thunderbird has been managed by Mozilla messaging and the Mozilla Corporation. Despite the simple and easy-to-use interface, users may face a few performance issues and errors. In the upcoming sections, we will see various troubleshooting methods to solve the Thunderbird authentication failure. Also, we will end this article by explaining the steps to configure Thunderbird with an email client.

Update Thunderbird:

  • Step 1:First, run the Thunderbird application.
  • Step 2:Visit the Help menu.
  • Step 3:Click on the About Thunderbird option.
  • Step 4:Now, the software checks for any pending updates.
  • Step 5:Select Restart Thunderbird to finish the update.

Try To Run Thunderbird In Safe Mode:

  • step 1:Open the Thunderbird application.
  • step 2:Switch to Safe mode by selecting Restart with Add-ons disabled.
  • step 3:In the safe mode dialog box, click on Continue in Safe Mode.
  • step 4:However, as an extra step, you can disable Add-ons from the Safe Mode.

Get In Touch With Your Internet Service Provider (isp):

  • step 1:It is well noted that Internet Service Providers tend to block outgoing emails. It is always recommended to switch to another port to get rid of authentication issues.
  • step 2:You can also connect with your ISP for further help.

Steps To Configure Thunderbird With An Email Client:

Here we have considered Yahoo Mail to let you know about the configuration procedure.

  • step 1:Configuring Thunderbird is simple and easy.
  • step 2:Turn on your computer and establish a stable Internet connection.
  • step 3:Locate the Thunderbird program on your computer (it’s an icon that resembles a bluebird) and open the same on your desktop.
  • step 4:Locate the Email icon from the screen and click on it.
  • step 5:A pop-up window will appear, click on the Skip this and use my existing email option.
  • step 6:Make sure you know the Yahoo user credentials; enter your name.
  • step 7:Click the “Email address” text field, then enter the Yahoo mail ID, then click the “password” text field and type the password.
  • Continue to read the following and get the solution of Thunderbird Authentication Failure problem.

  • step 8:Click the Continue button to proceed further.
  • step 9:If you have recently logged into Yahoo, you may not need to log in.
  • step 10:Go to the Mail Account setup.
  • step 11:From there, choose IMAP or POP3 as the incoming mail configuration.
  • step 12:You will be able to see IMAP (remote folders) and POP3 (keep mail on your computer).
  • step 13:Select the storage type according to your needs.
  • step 14:If you choose the IMAP configuration setting, enter the incoming mail server as
  • step 15:Enter the port number as 993 and the Encryption as SSL.
  • step 16:If you select the POP3 configuration setting, enter the incoming mail server as
  • step 17:Enter the Port number - 995 and the Encryption as SSL. Now you need to change the outgoing mail server configuration.
  • step 18:Enter the Outgoing mail server as, followed by entering the Port numbers as 587 or 465, and select the Encryption as TLS/SSL.
  • step 19:As you have followed all the steps stated above, you would be able to create the account successfully.

So, this was all about configuring Thunderbird for the Yahoo mail account. If you face any thunderbird authentication failure during the configuration process, call our customer care executives.

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