Mailbox Full Alert Version History

5 versions

Be careful with old versions!

These versions are displayed for reference and testing purposes. You should always use the latest version of an add-on.

Version 1.4.0 Released Sept. 3, 2026 34.2 KiB Works with Thunderbird 140.0 and later

Optimized the add-on for Thunderbird 140.0 ESR and later.
Improved mailbox checks, toolbar warnings and notifications.
Added a guided first-time setup and simplified settings.
Updated translations and the add-on description.

Source code released under Mozilla Public License, version 2.0

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Version 1.3.1 Released Jan. 29, 2026 38.4 KiB Works with Thunderbird 102.0 and later

Source code released under Mozilla Public License, version 2.0

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Version 1.3.0 Released Jan. 6, 2026 38.4 KiB Works with Thunderbird 102.0 and later

Source code released under Mozilla Public License, version 2.0

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Version 1.2.2 Released Sept. 1, 2025 35.9 KiB Works with Thunderbird 102.0 and later

Source code released under Mozilla Public License, version 2.0

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Version 1.2.1 Released Aug. 18, 2025 34.7 KiB Works with Thunderbird 102.0 and later

Source code released under Mozilla Public License, version 2.0

Download Now Download Anyway