Thunderbird 102 includes major new features for our global community of users, and we’re confident you’ll love them. Here’s a sneak peek!

As you may know, Thunderbird offers email encryption and digital email signatures using the OpenPGP technology and uses Ribose’s RNP library that provides the underlying functionality. To strengthen the security of the OpenPGP implementation, a recent update of the RNP library had included changes to refuse the use of several unsafe algorithms, such as MD5 […]

The newest stable release of Thunderbird, version 91, is available for download on our website now. Existing Thunderbird users will be updated to the newest version in the coming weeks. Thunderbird 91 is our biggest release in years with a ton of new features, bug fixes and polish across the app. This past year had […]

Mailfence Encrypted Email Suite in Thunderbird Today, the Thunderbird team is happy to announce that we have partnered with Mailfence to offer their encrypted email service in Thunderbird’s account setup. To check this out, you click on “Get a new email address…” when you are setting up an account. We are excited that those using […]

Updating to Thunderbird 78 from 68 Soon the Thunderbird automatic update system will start to deliver the new Thunderbird 78 to current users of the previous release, Thunderbird 68. This blog post is intended to share with you details about our OpenPGP support in Thunderbird 78, and some details Enigmail add-on users should consider when […]

Thunderbird 78 is our newest ESR (extended-support release), which comes out yearly and is considered the latest stable release. Right now you can download the newest version from our website, and existing users will be automatically updated in the near future. We encourage those who rely on the popular add-on Enigmail to wait to update […]

As of today, the Thunderbird project will be operating from a new wholly owned subsidiary of the Mozilla Foundation, MZLA Technologies Corporation. This move has been in the works for a while as Thunderbird has grown in donations, staff, and aspirations. This will not impact Thunderbird’s day-to-day activities or mission: Thunderbird will still remain free […]

Today the Thunderbird project is happy to announce that for the future Thunderbird 78 release, planned for summer 2020, we will add built-in functionality for email encryption and digital signatures using the OpenPGP standard. This new functionality will replace the Enigmail add-on, which will continue to be supported until Thunderbird 68 end of life, in […]

Our newest release, Thunderbird version 68 is now available! Users on version 60, the last major release, will not be immediately updated – but will receive the update in the coming weeks. In this blog post, we’ll take a look at the features that are most noteworthy in the newest version. If you’d like to […]

WeTransfer’s file-sharing service is now available within Thunderbird for sending large files (up to 2GB) for free, without signing up for an account. Even better, sharing large files can be done without leaving the composer. While writing an email, just attach a large file and you will be prompted to choose whether you want to […]

From the Thunderbird team we wish you a Happy New Year! Welcome to 2019, and in this blog post we’ll look at what we got accomplished in 2018 and look forward to what we’re going to be working on this year. Looking Back on 2018 More Eggs in the Nest Our team grew considerably in […]

Thunderbird 60, the newest stable release of everyone’s favorite desktop Email client, has been released. This version of Thunderbird is packed full of great new features, fixes, and changes that improve the user experience and make for a worthwhile upgrade. I’ll highlight three of the biggest changes in Thunderbird 60 in this post. For more […]

Yesterday, researchers and the press shared information describing security vulnerabilities that would enable an attacker to gain access to the plaintext of encrypted Emails. To understand how this happens, the researchers who uncovered EFail provide a good description on their website: In a nutshell, EFAIL abuses active content of HTML emails, for example externally loaded […]

Due to lots of news coming out of the Thunderbird project, I’ve decided to combine three different blog posts I was working on into one news update that gives people an idea of what has been happening in the Thunderbird community this month. Enjoy and comment to let me know if you like or dislike […]

Thunderbird is going strong at version 52 (ESR) and 57, 58 beta In April 2017 Thunderbird released its successful Extended Service Release (ESR) version 52. This release has just seen it’s fifth “dot update” 52.5.0, where fixes, stability and minor functionality improvements were shipped. Thunderbird 57 beta was also very successful. While Thunderbird 58 is equally […]