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Reinstall Thunderbird software after Mac upgrade

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I cannot reach Thunderbird.com and need to reinstall the email program. None of my browsers will reach the Tbird server.

I cannot reach Thunderbird.com and need to reinstall the email program. None of my browsers will reach the Tbird server.

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Downloads are here: https://www.thunderbird.net/

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If you are having issues with web browser connecting to websites after a update to macOS 15 Sequoia, then it may likely be due to the firewall on Sequoia.

For example https://support.mozilla.org/en-US/kb/firefox-blocked-macos-15-sequoia-firewall-what-you

http://thunderbird.com/ loads however it is to a domain for sale as the correct link as said above is https://www.thunderbird.net/