Welcome to Thunderbird Add-ons.

Add extra features and styles to make Thunderbird your own.

Close

On the go?

Check out our Mobile Add-ons site.

Close

X-Unsent support Version History

7 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 4.0.2 7.4 KiB Works with Thunderbird 78.0 - 90.0

- Disable the addon for Thunderbird 91, as support for the header is now included in Thunderbird itself (#12)

Download Now Download Anyway

Version 4.0.1 7.3 KiB Works with Thunderbird 78.0 - 90.0

4.0.0:
- now requires at least Thunderbird 78
- fixed incompatibility with Thunderbird 78

4.0.1:
- fixed Thunderbird stopping to respond if an eml file with an invalid format is opened
- fixed add-on sometimes not working at start

Download Now Download Anyway

Version 3.0.0 10.6 KiB Works with Thunderbird 68.0 - 73.0

- now requires at least Thunderbird 68
- fixed incompatibility with Thunderbird 68

Download Now Download Anyway

Version 2.0.0 11.2 KiB Works with Thunderbird 52.0 - 60.*

- now requires at least Thunderbird 52
- fixed incompatibility with Thunderbird 60

Download Now Download Anyway

Version 1.1.1 15.1 KiB Works with Thunderbird 17.0 - 52.*

- fix error if From header does not exist
- fixed incompatibility with Thunderbird 52

Download Now Download Anyway

Version 1.1.0 15.0 KiB Works with Thunderbird 17.0 - 45.*

- use the from address to select the sending identity
- now also works with line endings other than CRLF

Download Now Download Anyway

Version 1.0.1 14.5 KiB Works with Thunderbird 17.0 - 40.*

Download Now Download Anyway