Twin directories of usenix:

[DIR]  ftp://ftp.eenet.ee/doc/LDP/LDP/LGNET/issue14/gx/usenix/
[DIR]  ftp://ftp.eenet.ee/doc/LDP/LDP/LG/issue14/gx/usenix/
[DIR]  ftp://aeneas.mit.edu/pub/ATHENA/usenix/
[DIR]  ftp://15.201.72.13/ftp2/pub/alphaserver/archive/usenix/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/FreeBSD/development/FreeBSD-CVS/src/usr.sbin/sendmail/doc/usenix/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/FreeBSD/development/FreeBSD-CVS/src/contrib/sendmail/doc/usenix/
[DIR]  ftp://ftp.uni-koeln.de/net/athena/usenix/
[DIR]  ftp://ftp.swin.edu.au/freebsd/development/FreeBSD-CVS/src/usr.sbin/sendmail/doc/usenix/
[DIR]  ftp://ftp.swin.edu.au/freebsd/development/FreeBSD-CVS/src/contrib/sendmail/doc/usenix/
[DIR]  ftp://ftp.dntis.ro/pub/.1/linuxgazette.net/issue14/gx/usenix/
[DIR]  ftp://ftp.linux.org.uk/LDP/LDP/LG/issue14/gx/usenix/
[DIR]  ftp://ftp.sk.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/src/usr.sbin/sendmail/doc/usenix/
[DIR]  ftp://ftp.sk.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/src/contrib/sendmail/doc/usenix/
[DIR]  ftp://ftp.ps.pl/dsk0/linuxgazette.net/issue14/gx/usenix/
[DIR]  ftp://ftp.free.fr/.mirrors1/ftp.freebsd.org/development/FreeBSD-CVS/src/usr.sbin/sendmail/doc/usenix/
[DIR]  ftp://ftp.free.fr/.mirrors1/ftp.freebsd.org/development/FreeBSD-CVS/src/contrib/sendmail/doc/usenix/
[DIR]  ftp://ftp.dc.aleron.net/pub/FreeBSD/development/FreeBSD-CVS/src/usr.sbin/sendmail/doc/usenix/
[DIR]  ftp://ftp.dc.aleron.net/pub/FreeBSD/development/FreeBSD-CVS/src/contrib/sendmail/doc/usenix/
[DIR]  ftp://15.192.45.22/ftp1/pub/alphaserver/archive/usenix/
[DIR]  ftp://ftp.cse.buffalo.edu/mirror/BSD/FreeBSD/development/FreeBSD-CVS/src/usr.sbin/sendmail/doc/usenix/
[DIR]  ftp://ftp.cse.buffalo.edu/mirror/BSD/FreeBSD/development/FreeBSD-CVS/src/contrib/sendmail/doc/usenix/
[DIR]  ftp://ftp13.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/src/usr.sbin/sendmail/doc/usenix/
[DIR]  ftp://ftp13.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/src/contrib/sendmail/doc/usenix/
[DIR]  ftp://ftp13.freebsd.org/cvsup/ncvs/src/usr.sbin/sendmail/doc/usenix/
[DIR]  ftp://ftp13.freebsd.org/cvsup/ncvs/src/contrib/sendmail/doc/usenix/
[DIR]  ftp://ftp2.tw.freebsd.org/FreeBSD/development/FreeBSD-CVS/src/usr.sbin/sendmail/doc/usenix/
[DIR]  ftp://ftp2.tw.freebsd.org/FreeBSD/development/FreeBSD-CVS/src/contrib/sendmail/doc/usenix/
[DIR]  ftp://ftp.nz.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/src/usr.sbin/sendmail/doc/usenix/
[DIR]  ftp://ftp.nz.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/src/contrib/sendmail/doc/usenix/
[DIR]  ftp://ftp.euro.net/pub/mirrors/FreeBSD/development/FreeBSD-CVS/src/usr.sbin/sendmail/doc/usenix/
[DIR]  ftp://ftp.euro.net/pub/mirrors/FreeBSD/development/FreeBSD-CVS/src/contrib/sendmail/doc/usenix/
[DIR]  ftp://ftp.starhub.net.sg/pub/funet/unix/security/docs/usenix/usenix/
[DIR]  ftp://ftp.starhub.net.sg/pub/funet/unix/security/docs/usenix/
[DIR]  ftp://ftp.int.ru/.1/FreeBSD/development/FreeBSD-CVS/src/usr.sbin/sendmail/doc/usenix/
[DIR]  ftp://ftp.int.ru/.1/FreeBSD/development/FreeBSD-CVS/src/contrib/sendmail/doc/usenix/
[DIR]  ftp://ftp.kr.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/src/usr.sbin/sendmail/doc/usenix/
[DIR]  ftp://ftp.kr.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/src/contrib/sendmail/doc/usenix/
[DIR]  ftp://ftp.demon.nl/disk2/freebsd/development/FreeBSD-CVS/src/usr.sbin/sendmail/doc/usenix/
[DIR]  ftp://ftp.demon.nl/disk2/freebsd/development/FreeBSD-CVS/src/contrib/sendmail/doc/usenix/
[DIR]  ftp://147.52.159.12/mirrors/LDP/LDP/LGNET/issue14/gx/usenix/
[DIR]  ftp://147.52.159.12/mirrors/OpenBSD/cvs/src/usr.sbin/sendmail/doc/usenix/
[DIR]  ftp://147.52.159.12/mirrors/LDP/LDP/LG/issue14/gx/usenix/
[DIR]  ftp://ftp.glenmccl.com/pub/usenix/
[DIR]  ftp://ftp2.sk.freebsd.org/FreeBSD/development/FreeBSD-CVS/src/usr.sbin/sendmail/doc/usenix/
[DIR]  ftp://ftp2.sk.freebsd.org/FreeBSD/development/FreeBSD-CVS/src/contrib/sendmail/doc/usenix/
[DIR]  ftp://ftp.lug.udel.edu/pub/netbsd/NetBSD-current/src/gnu/dist/sendmail/doc/usenix/
[DIR]  ftp://ftp.lug.udel.edu/pub/freebsd/development/FreeBSD-CVS/src/usr.sbin/sendmail/doc/usenix/
[DIR]  ftp://ftp.lug.udel.edu/pub/freebsd/development/FreeBSD-CVS/src/contrib/sendmail/doc/usenix/
[DIR]  ftp://ftp.lug.udel.edu/pub/ldp/LDP/LGNET/issue14/gx/usenix/
[DIR]  ftp://ftp.lug.udel.edu/pub/ldp/LDP/LG/issue14/gx/usenix/