ucspi-tcp 0.88, beta.
20000318
Copyright 2000
D. J. Bernstein
ucspi-tcp home page: http://cr.yp.to/ucspi-tcp.html

ucspi-tcp-0.88-man-20020317.tar.gz
20020318
Copyright 2002
G. Pape
man pages home: http://smarden.org/pape/djb/

ucspi-tcp-0.88-ipv6.diff19.bz2  
20090319
Copyright 2009 
F. von Leitner
patch home page: http://www.fefe.de/ucspi/

rblsmtpd Greetdelay option
20080227
Copyright 2008
E. Hoffmann
qmail home page: http://www.fehcom.de/qmail.html

tcpserver IPv4 CIDR address parser
20120209 (Bachelor thesis)
Copyright 2012
J. Wehrenbrecht

tcpserver compactified IPv6 address CIDR parser
20120823 (Bachelor thesis)
Copyright 2012
L. B.  Minh

rblsmtpd IPv6 inverse nibble computation 
partly taken from the 'ucspi-tcp-0.88-ipv6.patch'
Copyright 2009 
Brandon Turner 
http://www.brandonturner.net/blog/2009/08/qmail-ipv6/


Installation instructions and further descriptions are located in ./doc. 
