A free email application from Mozilla that's easy to set up and customize

Thunderbird for Mac
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Thunderbird 17.0.2

  -  35.73 MB  -  Open Source
Free Download

Security Status

Sometimes latest versions of the software can cause issues when installed on older devices or devices running an older version of the operating system.

Software makers usually fix these issues but it can take them some time. What you can do in the meantime is to download and install an older version of Thunderbird 17.0.2.


For those interested in downloading the most recent release of Thunderbird for Mac or reading our review, simply click here.


All old versions distributed on our website are completely virus-free and available for download at no cost.


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If you have any questions or ideas that you want to share with us - head over to our Contact page and let us know. We value your feedback!

Download Thunderbird 17.0.2
Why is this app published on FileHorse? (More info)

  • Thunderbird 17.0.2 Screenshots

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    Thunderbird 17.0.2 Screenshot 1
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  • Thunderbird 17.0.2 Screenshot 3
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  • Thunderbird 17.0.2 Screenshot 5

What's new in this version:

- FIXED: Pressing the 'x' button on Windows now closes only one window rather than the whole application (805185)
- FIXED: An issue that caused occasional corruption in local folders after filtering is now fixed (815012)
- FIXED: An issue that caused deletion of drafts saved in IMAP folders whilst in offline mode is now fixed (805626)

Security fixes:
- MFSA 2013-20 Mis-issued TURKTRUST certificates
- MFSA 2013-19 Use-after-free in Javascript Proxy objects
- MFSA 2013-18 Use-after-free in Vibrate
- MFSA 2013-17 Use-after-free in ListenerManager
- MFSA 2013-16 Use-after-free in serializeToStream
- MFSA 2013-15 Privilege escalation through plugin objects
- MFSA 2013-14 Chrome Object Wrapper (COW) bypass through changing prototype
- MFSA 2013-13 Memory corruption in XBL with XML bindings containing SVG
- MFSA 2013-12 Buffer overflow in Javascript string concatenation
- MFSA 2013-11 Address space layout leaked in XBL objects
- MFSA 2013-10 Event manipulation in plugin handler to bypass same-origin policy
- MFSA 2013-09 Compartment mismatch with quickstubs returned values
- MFSA 2013-08 AutoWrapperChanger fails to keep objects alive during garbage collection
- MFSA 2013-07 Crash due to handling of SSL on threads
- MFSA 2013-05 Use-after-free when displaying table with many columns and column groups
- MFSA 2013-04 URL spoofing in addressbar during page loads
- MFSA 2013-03 Buffer Overflow in Canvas
- MFSA 2013-02 Use-after-free and buffer overflow issues found using Address Sanitizer
- MFSA 2013-01 Miscellaneous memory safety hazards (rv:18.0/ rv:10.0.12 / rv:17.0.2)

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