Twin directories of xmailbox-2.4-4:

[DIR]  ftp://ftp.gul.uc3m.es/pub/retrolinux/redhat/4.2/i386/live/usr/doc/xmailbox-2.4-4/
[DIR]  ftp://ftp.gul.uc3m.es/pub/retrolinux/redhat/4.2/alpha/live/usr/doc/xmailbox-2.4-4/
[DIR]  ftp://ftp.gul.uc3m.es/pub/retrolinux/redhat/4.1/i386/live/usr/doc/xmailbox-2.4-4/