Twin directories of thunderbird:

[DIR]  ftp://ftp.eenet.ee/pub/FreeBSD/distfiles/thunderbird/
[DIR]  ftp://ftp.linux.it/ubuntu/pool/main/t/thunderbird/
[DIR]  ftp://ftp.cesca.es/mirror2/softcatala/softcatala/cd-roms/cds/programari_gratuit/windows/thunderbird/
[DIR]  ftp://ftp.cesca.es/mirror2/softcatala/softcatala/thunderbird/
[DIR]  ftp://ftp.saintjoe.edu/pub/mozilla.org/thunderbird/
[DIR]  ftp://ftp.uni-frankfurt.de/pub/unix/linux/freshrpms/yellowdog/3.0/thunderbird/
[DIR]  ftp://ftp.utfsm.cl/internet/thunderbird/
[DIR]  ftp://ftp.kfki.hu/pub/linux/ubuntu/pool/main/t/thunderbird/
[DIR]  ftp://ftp.internat.freebsd.org/pub/FreeBSD/distfiles/thunderbird/
[DIR]  ftp://ftp.internat.freebsd.org/pub/FreeBSD/ports/mail/thunderbird/
[DIR]  ftp://ftp.skynet.be/mirror2/suse.com/projects/mozilla/thunderbird/
[DIR]  ftp://ftp.kreonet.re.kr/Mozilla/mozilla.org/thunderbird/
[DIR]  ftp://ftp.fagskolen.gjovik.no/pub/win32/thunderbird/
[DIR]  ftp://ftp.nz.debian.org/ubuntu/pool/main/t/thunderbird/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/mozilla/thunderbird/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/linux/ubuntu/pool/main/t/thunderbird/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/packages/current-src/pkgsrc/mail/thunderbird/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/FreeBSD/ports/distfiles/thunderbird/
[DIR]  ftp://ftp.li.kernel.org/pub/.5/pcbsd/PBI/mail/thunderbird/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/FreeBSD/development/FreeBSD-CVS/ports/mail/thunderbird/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/misc/grant/pkgstat/20040711.1811/leftovers-sun4u/usr/pkg/lib/thunderbird/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/misc/grant/pkgstat/20040716.0710/leftovers-sun4u/usr/pkg/lib/thunderbird/
[DIR]  ftp://ftp.port80.se/ubuntu/pool/main/t/thunderbird/
[DIR]  ftp://ftp.cs.iastate.edu/pub/linux/debian/pool/main/t/thunderbird/
[DIR]  ftp://ftp.uconn.edu/huskypc/windows/thunderbird/
[DIR]  ftp://130.251.19.2/ubuntu/pool/main/t/thunderbird/
[DIR]  ftp://ftp.wh2.tu-dresden.de/pub/mirrors/ubuntu/ubuntu/pool/main/t/thunderbird/
[DIR]  ftp://ftp.wh2.tu-dresden.de/pub/mirrors/browser/mozilla/thunderbird/
[DIR]  ftp://ftp.uv.es/lliurex/gaia/pool/main/t/thunderbird/
[DIR]  ftp://ftp.swin.edu.au/mozilla/thunderbird/
[DIR]  ftp://ftp.swin.edu.au/freebsd/ports/distfiles/thunderbird/
[DIR]  ftp://ftp.swin.edu.au/freebsd/development/FreeBSD-CVS/ports/mail/thunderbird/
[DIR]  ftp://ftp.mgts.by/pub/ubuntu/pool/main/t/thunderbird/
[DIR]  ftp://ftp.mgts.by/pub/FreeBSD/ports/distfiles/thunderbird/
[DIR]  ftp://ftp.pmel.noaa.gov/CNSD/thunderbird/
[DIR]  ftp://ftp.uni-kassel.de/Mirrors/archive.ubuntu.com/ubuntu/pool/main/t/thunderbird/
[DIR]  ftp://24.215.0.24/mozilla/thunderbird/
[DIR]  ftp://24.215.0.24/Ubuntu/ubuntu/pool/main/t/thunderbird/
[DIR]  ftp://ftp.cs.mun.ca/pub/mirror/ubuntu/pool/main/t/thunderbird/
[DIR]  ftp://ftp.highway1.com.au/pub/mac/email/thunderbird/
[DIR]  ftp://ftp.highway1.com.au/pub/macintosh/email/thunderbird/
[DIR]  ftp://ftp.highway1.com.au/pub/mirrors/mozilla.org/thunderbird/
[DIR]  ftp://ftp.highway1.com.au/pub/mozilla.org/thunderbird/
[DIR]  ftp://ftp.redcom.ru/pub/support/windows/email/thunderbird/
[DIR]  ftp://194.117.24.2/pub/net/mail/thunderbird/
[DIR]  ftp://sapi.vlsm.org/.3/ubuntu/pool/main/t/thunderbird/
[DIR]  ftp://ftp.sk.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/ports/mail/thunderbird/
[DIR]  ftp://ftp.ps.pl/dsk0/ftp.freebsd.org/FreeBSD/ports/distfiles/thunderbird/
[DIR]  ftp://ftp.ps.pl/dsk0/archive.redhat.com/redhat/linux/beta/thunderbird/
[DIR]  ftp://91.189.88.31/ubuntu/pool/main/t/thunderbird/