Things to add to the release notes for the next full release:
+- Switched to buffered output when performing TLS encryption in the SMTP
+ MTA to increase performance.
+- mh-e support has been changed so that it is always compiled into nmh;
+ old features that were previously enabled by the MHE option have been
+ garbage collected.
+- Old code enabled by the UCI preprocessor definition has been
+ garbage-collected.
+- LOCKDIR is now configurable via --enable-lockdir
+- All configuration options that were formerly only adjustable via editing
+ config.h have been removed.
+- Support for the built-in ftp client (used when dealing with external body
+ message parts in MIME messages) has been removed.
+- fileproc and mhlproc mh-profile entries will now be obeyed by
+ send, rcvdist, and whatnow.