+TK/01 Added patch by Johannes Berg that expands the main option
+ "spamd_servers" if it starts with a dollar sign.
+
+TK/02 Write list of recipients to X-Envelope-Sender header when building
+ the mbox-format spool file for content scanning (suggested by Jakob
+ Hirsch)
+
+TK/03 Added patch by Wolfgang Breyha that adds experimental DCC
+ (http://www.dcc-servers.net/) support via dccifd. Activated by
+ setting EXPERIMENTAL_DCC=yes in Local/Makefile. Check out
+ experimental_spec.txt for more documentation.
+
+TK/04 Bugzilla 673: Add f-protd malware scanner support. Patch submitted
+ by Mark Daniel Reidel <mr@df.eu>.
+