Thunderbird 78.2.1

Thunderbird

Thunderbird is a free, open-source, cross-platform application for managing email and news feeds. It is a local (rather than a web-based) email application that is powerful yet easy-to-use. Thunderbird is developed, tested, translated and supported by the folks at Mozilla Corporation and by a group of dedicated volunteers. Thunderbird gives you control and ownership over your email. There are lots of add-ons available for Thunderbird that enable you to extend and customize your email experience.

Thunderbird gives you IMAP/POP support, a built-in RSS reader, support for HTML mail, powerful quick search, saved search folders, advanced message filtering, message grouping, labels, return receipts, smart address book LDAP address completion, import tools, and the ability to manage multiple e-mail and newsgroup accounts.

Notes:

  • Thunderbird version 78.2.1 is only offered as direct download from thunderbird.net and not as an upgrade from Thunderbird version 68 or earlier. A future release will provide updates from earlier versions. Automatic updates are available for users already running version 78.0 or higher.
  • Add-on support: As of version 78.0, Thunderbird only supports MailExtensions. Your favorite add-ons may not have been updated for compatibility.

Changes in Thunderbird 78.2.1:

  • OpenPGP enabled by default
  • OpenPGP: Disabled the use of MD5/SM2/SM3 algorithms

Fixes:

  • OpenPGP: Users with sub-identities were unable to encrypt or sign messages when switching identities

  • OpenPGP message security window did not support dark mode

Download: Thunderbird 78.2.1 for Windows (EN/US) | 64-bit | ~35.0 MB (Open Source)
Download: Thunderbird 78.2.1 for Linux (EN/US) | 55.5 MB
Download: Thunderbird 78.2.1 for Mac OS (EN/US) | 66.3 MB
Download: Thunderbird 78.2.1 in other languages
View: Thunderbird Website | Release Notes | Screenshot

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