Cardbook - A new addressbook for Thunderbird based on the CARDDav and VCARD standards.Ĭardbook AMO || OpenPGP: signing and encryptionįrom Thunderbird 78.2.1 onwards, this functionality is integrated into Thunderbird.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.

5.2 Error: Incoming server already exists.4.3 Plain text mode and font uniformity.

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