courierpasswd was written by:
Andrew St. Jean <andrew@arda.homeunix.net>

with contributions from:
Fredrik Soderblom <fredrik@soderblom.org>


courierpasswd makes use of the Courier authentication 
library written by:
Sam Varshavchik <mrsam@courier-mta.com>

authentication tokens are passed to courierpasswd using
the checkpassword protocol designed by:
D.J. Bernstein <djb@cr.yp.to>

courierpasswd's logging capabilities were modified
from checkpassword-pam written by:
Alexey Mahotkin <alexm@hsys.msk.ru>
