Although Mozilla has continued to roll out security updates and ideas from Firefox, Thunderbird has received no major update since 2012.

But the popularity of the software has waned over the last few years. For a free email client, Thunderbird certainly has a great deal to recommend it. A host of add-ons and themes add a bunch of extra features, including calendars, encryption, and contact tools. Just choose an address, such as and Thunderbird will set it all up. Thunderbird has even teamed up with third-party providers to supply personalized email addresses. When you want to keep your inbox organized and shoot incoming mail directly into a folder, you’ll find setting up the parameters quick and easy. Like Gmail, Thunderbird scans your email before you send it and looks for words like “attachment” to remind you that you forget to attach your file, and the quick filter toolbar makes filtering a breeze. Leave multiple emails open and you can switch between them as easily as you switch between tabs on your browser (and equally run the risk of hitting open tab overload.) Mozilla’s Firefox browser was one of the first to introduce tabs, and that essential tool has been brought over to Thunderbird. Other aspects of Thunderbird match Mozilla’s overall look and feel. If you can just remember your password, you’ll be collecting your emails right away. Instead of searching for IMAP, SMTP and SSL settings (and understanding what they are), Thunderbird now only asks for name, email address and password.

Mail account setup, which has always been one of the biggest bugbears of switching clients, is now relatively simple.

The service itself is more than adequate, and the volunteers who have built and grown the open source project have put serious thought into improving the user experience.

Mozilla’s Thunderbird shows just how hard it is for any email client software to meet both those challenges. And the second challenge is to offer more than Gmail, the default choice for individuals who need to manage their email communications. The first is to offer more than Microsoft’s Outlook, the default choice for businesses that need to manage their email communications.

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