6 Common Thunderbird Email Problems with Simple Solutions

Brief History of Thunderbird

Thunderbird Troubleshooting: Common Thunderbird Email Problems

Email Account Setup Issues

How to Fix

  1. Go to gmail.com.
  2. Type your email address and then your password.
  3. If you’ve input an older password, Google will prompt you to reset it.
  4. You can reset your password by clicking the “Forgot email?” message.
  1. Click on the email account that experiences issues.
  2. Under Options click on Account Settings.
  1. Have the domain name (e.g., mail.example.com) after the server name, which is Mail.
  2. Make sure Port is 993 for IMAP or 995 for POP.
  3. Set the Connection Security to TLS/SSL.
  4. Use the user’s full email address as a User Name.
  5. Use the Password as an Authentication.
  6. The server doesn’t support encryption.

The Server Doesn’t Support Encryption

How to Fix

  1. Change the security connection to SSL/TLS.
  2. Change the authentication method to “Normal password.”
  3. Change the port to 993.

You’re Unable to Send or Receive Messages

How to Fix

  1. Click on the email account that experiences issues.
  2. Under Options click on Account Settings.
  3. Select Server Settings in the left-hand tab.
  1. Go to Account Settings like in the previous step.
  2. Click “Outgoing server” in the left-hand tab.
  1. Navigate to Settings.
  2. Select Update & Security and choose Windows Security.
  3. Access the “Manage settings” option after clicking on “Virus & threat protection.”
  4. Go to the “Add an exclusion” option via “Add or remove exclusions” and select Thunderbird.
  1. Type the word “firewall” in the Windows search box.
  2. Select the “Allow an app through the firewall” option.
  3. Click on the “Change settings” button.
  4. Add Thunderbird to the list after hitting the “Allow another app” button.
  1. In your current version, go to the menu > Preferences and scroll down to Updates
  2. Turn off automatic updates by switching your preference to “Check for updates, but let me choose whether to install them.”

You’re Unable to Delete Messages

How to fix

  1. Access the troubleshooting information for the Profile Folder from the Help section of the menu button.
  2. Click on the Open Folder option from the Application Basics section.
  3. Now close the Thunderbird app.
  4. Go to your file manager and open the Mail (or ImapMail) folder per your affected account type (POP or IMAP).
  5. Remember to open the folder with an incoming mail server name like pop.googlemail.com or imap.googlemail.com.
  6. Select the Trash.msf and Trash files and then delete them. These files may be named Deleted or Bin in some accounts.
  7. As a final step, Restart the Thunderbird app on your system.

Thunderbird Freezes or Works Slowly

How to Fix

  1. Run the Thunderbird application.
  2. Visit the Help menu.
  3. Choose the About Thunderbird option.
  4. The software automatically checks for any updates after a window opens.
  5. Select Restart Thunderbird to update once updates are ready to install.
  1. Press the Alt (Option) key and click on the Thunderbird icon to launch it.
  2. If it’s already running, you can switch to Safe Mode by selecting “Restart with Add-ons disabled…” in the Help menu.
  1. Go to the Tools menu and select the Account Settings option.
  2. You can also select Account Settings from the application menu.
  3. Once in the Account Settings, choose the Server Settings from the left pane.
  4. Ensure that you have correct Thunderbird login information in the right pane, and that should do the trick.

IMAP Server Error Message

How to Fix

  1. Select the Tools option from the menu and then choose Account Settings.
  2. Under the appropriate account, select the Server Settings.
  3. Click on the Advanced button.
  4. Once Configuration Dialog pops up, change the maximum number of server connections to cache value to three or less.

How to Contact Support

Still Experiencing Troubles with Thunderbird?

  1. Unified Inbox — Connect all your email accounts and use them as one. This means you can search across all accounts, manage emails, and apply other email features to all connected accounts without the need for complicated filters.
  2. Email tracking — Make sure that all recipients have opened your email and you’re all on the same page about its contents.
  3. Unified Calendar — Make sure you keep track of deadlines and events. This is especially useful if you send meeting invitations from different accounts. Like with the Unified Inbox, you can view and manage all calendars in one place so you won’t overlap meetings or overschedule.
  4. Integrations — Boost productivity and communication with third-party app integrations, such as Asana, Slack, Google Workspace products, and more.

Download Mailbird

Importing Thunderbird to Mailbird

  1. The first step is to make sure you are trying to import the account not yet added to the Mailbird platform. After clicking the Mailbird menu button from the top left, click the Settings option. Next, select the Accounts tab.
  2. Click on the Add button in the accounts tab.
  3. Click on the Import button.
  4. Choose the specific account you want to import.
  5. Just enter your password next.
  6. After clicking Continue, wait until the import process is over.




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