level 5
http://ftp.mozilla.org/pub/mozilla.org/thunderbird/nightly/latest-comm-central/
Nightly版，多语言，7.0a1
http://ftp.mozilla.org/pub/mozilla.org/thunderbird/nightly/latest-comm-central-l10n/
miramar版，英文，5.0b2p
http://ftp.mozilla.org/pub/mozilla.org/thunderbird/nightly/latest-comm-miramar/
miramar版，多语言，5.0b2p
http://ftp.mozilla.org/pub/mozilla.org/thunderbird/nightly/latest-comm-miramar-l10n/
aurora版，英文，6.0a2
http://ftp.mozilla.org/pub/mozilla.org/thunderbird/nightly/latest-comm-aurora/
aurora版，多语言，6.0a2
http://ftp.mozilla.org/pub/mozilla.org/thunderbird/nightly/latest-comm-aurora-l10n/
thunderbird-3.1.11pre，英文
http://ftp.mozilla.org/pub/mozilla.org/thunderbird/nightly/latest-comm-1.9.2/
多语言
http://ftp.mozilla.org/pub/mozilla.org/thunderbird/nightly/latest-comm-1.9.2-l10n/
每小时版本
http://ftp.mozilla.org/pub/mozilla.org/thunderbird/tinderbox-builds/
5.0b1正式版
http://releases.mozilla.org/pub/mozilla.org/thunderbird/releases/5.0b1/win32/
无聊了
![[不高兴]](/static/emoticons/u4e0du9ad8u5174.png)