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Standalone POP3, IMAP4 and Usenet client by the Mozilla Foundation. Open source and multi-platform, it features intelligent Bayesian spam filters, a built-in spell checker and extension support.
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Messages about bugs, features, builds, and the program in general.
Full featured version for devices such as USB drives.
Has a variety of troubleshooting articles that help install, resolve and configure Thunderbird.
In depth history and information
Official press release covering the launch of version 1.0. (December 07, 2004)
Full featured version for devices such as USB drives.
In depth history and information
Has a variety of troubleshooting articles that help install, resolve and configure Thunderbird.
Messages about bugs, features, builds, and the program in general.
Official press release covering the launch of version 1.0. (December 07, 2004)

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Last update:
January 18, 2026 at 0:17:18 UTC
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