+# Uncomment this line to remove support for early pipelining, per
+# https://datatracker.ietf.org/doc/draft-harris-early-pipe/
+# DISABLE_PIPE_CONNECT=yes
+
+
+# Uncomment the following to remove the fast-ramp two-phase-queue-run support
+# DISABLE_QUEUE_RAMP=yes
+
+# Uncomment the following lines to add SRS (Sender Rewriting Scheme) support
+# using only native facilities. See EXPERIMENTAL_SRS_ALT for an alternative.
+# SUPPORT_SRS=yes
+
+