SOGo Connector - Lets you sync address books via CardDAV.
Similar to FireTray but works with Thunderbird 68+.
Birdtray - System tray new mail notification which does not require extensions.
To disable set javascript.enabled to false in the #Config editor.
JavaScript is disabled for message content but not for RSS news feeds.
To disable this click View > Message Body As > Plain Text.
Thunderbird disables email images by default but enables HTML rendering which may expose IP address and location.
To hide Thunderbird's User Agent, create a new empty string entry in the #Config editor.
Setting this value may increase the spam score of messages you send. This value can be overridden by setting _argument to, for example, localhost.
Thunderbird sends your system's internal IP address to the configured SMTP server as an argument to the HELO/ELHO SMTP command.
Betterbird - Betterbird is a fine-tuned version of Mozilla Thunderbird, Thunderbird on steroids.Ī version overview, both past and future, can be read on MozillaWiki:Releases.
Thunderbird Nightly - Experience the newest innovations with nightly releases (for those that want to work with breakages).
Thunderbird Beta - Cutting edge features with relatively-good stability.
Install the thunderbird package, with a language pack if required.
5.6 Outlook 365 SMTP fails to authenticate with OAuth2 authentication.
5.5 Authentication failure while connecting to server error when using OAuth2 with G Suite account.
5.4 LC_TIME environment variable not respected.
5.3 Thunderbird UI freezes when receiving a new message.