Thunderbird Add-On Overview

Mail Assure provides a Mozilla Thunderbird add-on to report any spam not blocked by the Mail Assure filter.

See Report Spam Using the Thunderbird Add-on for details on reporting single or multiple messages as spam using the add-on.

Supported Versions

We support Mozilla Thunderbird versions 78.0 and newer.

Install Thunderbird Add-on

From File

  1. Download the Mozilla Thunderbird add-on
  2. Open Thunderbird
  3. Navigate to Settings > Add-Ons and Themes

  4. Select Extensions

  5. Click the cog in the top left corner to open the action menu and click on Install add-on from file

  6. Navigate to the Thunderbird add-on file in your file directory
  7. Click Ok
  8. Once the add-on has been installed, restart Thunderbird

If you are upgrading your installation, please remove the old installation before installing the new one.

From Search

  1. Open Thunderbird
  2. Navigate to Settings > Add-Ons and Themes

  3. Select Extensions

  4. Using the search bar in the top left of the screen, search for 'expertspam'
  5. Click + Add to Thunderbird

  6. Approve addition of the add-on by clicking Add

  7. Click Ok

Manage Add-on

Configure Add-on

Once the Add-On is installed, the appearance and behavior can be customised:

  1. Open Thunderbird
  2. Navigate to Settings > Add-Ons and Themes

  3. Select Extensions
  4. Click the wrench icon to manage the extension's options

  5. Make any required changes to the appearance:
    • Enable in menu - if selected, the Report Spam action will be available in the context menu
    • Enable in toolbar - if selected, the Report Spam action will be available in the toolbar

  6. Choose an additional action that the add-on will take after marking the message as Junk and reporting it:
    1. Nothing - no additional action will be taken
    2. Move to junk - the message will be moved to the junk folder
    3. Move to trash - the message will be moved to the bin
    4. Delete - the message will be deleted

Remove Add-on

  1. Open Thunderbird
  2. Navigate to Settings > Add-Ons and Themes

  3. Select Extensions
  4. Click the ... icon then select Remove from the menu

  5. Confirm removal of the add-on

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