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

Thunderbird (32-bit)

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Thunderbird 1.5.0.8

  -  6.05 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 1.5.0.8.


For those interested in downloading the most recent release of Thunderbird (32-bit) 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 1.5.0.8

  • Thunderbird 1.5.0.8 Screenshots

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    Thunderbird 1.5.0.8 Screenshot 1
  • Thunderbird 1.5.0.8 Screenshot 2

What's new in this version:

Security issues: (3)
- Fixed: 356215, CVE-2006-5462, MFSA 2006-60 - RSA Signature Forgery (Critical)
- Fixed: 307809, 310267, 349527, 350238, 350370, 351116, 351328, 351973, 352271, 352606, 353165, 354145, 354151, 354924, 355569, CVE-2006-5464, CVE-2006-5747, CVE-2006-5748 - Crashes with evidence of memory corruption (rv:1.8.0.8) (Moderate)
- Fixed: 355655, CVE-2006-5463 - Running Script can be recompiled (Moderate)

Crashes: (1)
- Fixed: 323531 - crash when deleting all attachments after detaching all of them from one mail

Address book: (1)
- Fixed: 230580 - ldap_2 "user_directory"/"_nonascii_" preferences proliferating unnecessarily

Functionality: (1)
- Fixed: 351685 - Total email count is set to 0 after compacting an Inbox

Networking: (1)
- Fixed: 249240 - Password dialog for POP/IMAP server does not reprompt when password is changed externally.

UI improvements: (1)
- Fixed: 332883 - Thunderbird freezes while searching in a folder with lots of messages ( search bar )

Miscellaneous fixes: (1)
- Fixed: 352801 - 1.5.0.7 keeps asking for password

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