Twin directories of ftp.sendmail.org:

[DIR]  ftp://ftp.nerdc.ufl.edu/pub/mirrors/ftp.sendmail.org/
[DIR]  ftp://ftp.ps.pl/dsk1/ftp.sendmail.org/
[DIR]  ftp://ftp.crihan.fr/mirrors/ftp.sendmail.org/
[DIR]  ftp://ftp.nstu.ru/pub/mirrors/ftp.sendmail.org/
[DIR]  ftp://ftp.loxinfo.co.th/mirrors/ftp.sendmail.org/
[DIR]  ftp://ftp.esat.net/mirrors/.0/ftp.sendmail.org/
[DIR]  ftp://ftp.u-picardie.fr/mirror/ftp.sendmail.org/
[DIR]  ftp://ftp.yggdrasil.com/mirrors/ftp/ftp.sendmail.org/
[DIR]  ftp://ftp.task.gda.pl/vol/d0s0-old/ftp.sendmail.org/
[DIR]  ftp://ftp.task.gda.pl/vol/zfs/ftp.sendmail.org/
[DIR]  ftp://ftp.ps.pl/dsk0/ftp.sendmail.org/
[DIR]  ftp://ftp.nrc.ca/pub/mirrors/by-site/ftp.sendmail.org/
[DIR]  ftp://ftp.task.gda.pl/vol/zfs2/ftp.sendmail.org/