spamdyke is a drop-in filter for qmail to provide
connection-time blacklisting, graylisting, DNS
RBL/RHSBL checking, sender MX checking, improved
logging, and more. spamdyke will provide SMTP AUTH
and TLS to unpatched qmail servers. Installing
spamdyke does not require patching or recompiling
qmail.
License: GNU General Public License (GPL)
Changes:
A bug was fixed in the white/blacklist file
processor that was incorrectly matching domains
when wildcards were used.