# LDFLAGS += -lsrs_alt
# Uncomment the following line to add DMARC checking capability, implemented
-# using libopendmarc libraries. You must have SPF support enabled also.
+# using libopendmarc libraries. You must have SPF and DKIM support enabled also.
# EXPERIMENTAL_DMARC=yes
# DMARC_TLD_FILE= /etc/exim/opendmarc.tlds
# CFLAGS += -I/usr/local/include
# Uncomment the following line to add ARC (Authenticated Received Chain)
# support. You must have SPF and DKIM support enabled also.
-# EXPERIMENTAL_ARC
+# EXPERIMENTAL_ARC=yes
# Uncomment the following lines to add Brightmail AntiSpam support. You need
# to have the Brightmail client SDK installed. Please check the experimental
# Uncomment the following line to add queuefile transport support
# EXPERIMENTAL_QUEUEFILE=yes
+# Uncomment the following to add REQUIRETLS support.
+# You must also have SUPPORT_TLS enabled.
+# Ref: https://datatracker.ietf.org/doc/draft-fenton-smtp-require-tls
+# EXPERIMENTAL_REQUIRETLS=yes
+
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# THESE ARE THINGS YOU MIGHT WANT TO SPECIFY #
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