Release Notes: Support for DNS whitelists. An example using dnswl.org is in the sample homedir/dcc_conf file.
Release Notes: This version uses Dccifd as a Postfix before-queue filter. There are IPv6 fixes.
Release Notes: Added the ability to consult DNS blacklists.
Release Notes: This version adds support for greylisting.
Release Notes: Fuzzy checksums have been adjusted to deal with various tricks.
Release Notes: Significant changes were made to the fuzzy checksums to deal with minor creativity among spammers. A new deamon intended for MTAs other than Sendmail was also added.