{% trans %} Development on the Sunbird project has halted and its final release was on March 30, 2010. We've been proud to host Sunbird add-ons on this site but as the project is no longer maintained we have disabled our support for the add-ons. {% endtrans %}
{% trans tb_url="https://www.mozilla.org/en-US/thunderbird/", lightning_url="https://addons.mozilla.org/thunderbird/2313/" %} We recommend upgrading to Thunderbird and Lightning. {% endtrans %}