Download Mozilla Thunderbird 52.5.0

The Mozilla Foundation has released version 52.5.0 of Thunderbird. Mozilla Thunderbird is an open source email and newsgroup client, with features such as support for several mail and news accounts, a spam filter, spell checker, and a customizable look and feel. In Thunderbird, new functionality is rarely added. New in version 52 is, among other things, that images are now added as data URIs in messages. In addition, there is now a drop-down menu that allows you to quickly customize the way folders are displayed. In addition, in Lightning it is now possible to edit events in tabs. The following improvements have also been made in this update:

New

• Better support for Charter/Spectrum IMAP: Thunderbird will now detect Charter’s IMAP service and send an additional IMAP select command to the server. Check the various preferences ending in “force_select” to see whether auto-detection has discovered this case.

Fixed

• In search folders spanning multiple base folders clicking on a message sometimes marked another message as read
• IMAP alerts have been corrected and now show the correct server name in case of connection problems
• POP alerts have been corrected and now indicate connection problems in case the configured POP server cannot be found
• Various security fixes

The following downloads are available:
Mozilla Thunderbird 52.5.0 for Windows (English)
Mozilla Thunderbird 52.5.0 for Linux (English)
Mozilla Thunderbird 52.5.0 for macOS (English)
Mozilla Thunderbird 52.5.0 for Windows (English)
Mozilla Thunderbird 52.5.0 for Linux (English)
Mozilla Thunderbird 52.5.0 for macOS (English)
Mozilla Thunderbird 52.5.0 for Windows (Frisian)
Mozilla Thunderbird 52.5.0 for Linux (Frisian)
Mozilla Thunderbird 52.5.0 for macOS (Frisian)