+PP/05 DSCP support for outbound connections and control modifier for inbound.
+
+PP/06 Cyrus SASL: set local and remote IP;port properties for driver.
+ (Only plugin which currently uses this is kerberos4, which nobody should
+ be using, but we should make it available and other future plugins might
+ conceivably use it, even though it would break NAT; stuff *should* be
+ using channel bindings instead).
+
+PP/07 Handle "exim -L <tag>" to indicate to use syslog with tag as the process
+ name; added for Sendmail compatibility; requires admin caller.
+ Handle -G as equivalent to "control = suppress_local_fixups" (we used to
+ just ignore it); requires trusted caller.
+ Also parse but ignore: -Ac -Am -X<logfile>
+ Bugzilla 1117.
+
+TL/01 Bugzilla 1258 - Refactor MAIL FROM optional args processing.
+
+JH/01 Bugzilla 1201 & 304 - New cutthrough-delivery feature, with TLS support.