# CFLAGS += -I/usr/local/include
# LDFLAGS += -lopendmarc
+# Uncomment the following line to add ARC (Authenticated Received Chain)
+# support. You must have SPF and DKIM support enabled also.
+# EXPERIMENTAL_ARC
+
# Uncomment the following lines to add Brightmail AntiSpam support. You need
# to have the Brightmail client SDK installed. Please check the experimental
# documentation for implementation details. You need to edit the CFLAGS and