# WITH_CONTENT_SCAN=yes
-# If you want to use the deprecated "demime" condition in the DATA ACL,
-# uncomment the line below. Doing so will also explicitly turn on the
-# WITH_CONTENT_SCAN option. If possible, use the MIME ACL instead of
-# the "demime" condition.
-
-# WITH_OLD_DEMIME=yes
-
#------------------------------------------------------------------------------
# If you're using ClamAV and are backporting fixes to an old version, instead
# of staying current (which is the more usual approach) then you may need to
#------------------------------------------------------------------------------
-# By default Exim includes code to support DKIM (DomainKeys Identified
+# If built with TLS, Exim includes code to support DKIM (DomainKeys Identified
# Mail, RFC4871) signing and verification. Verification of signatures is
# turned on by default. See the spec for information on conditionally
# disabling it. To disable the inclusion of the entire feature, set
# CFLAGS += -I/usr/local/include
# LDFLAGS += -lsrs_alt
+# Uncomment the following line to add DMARC checking capability, implemented
+# using libopendmarc libraries. You must have SPF support enabled also.
+# EXPERIMENTAL_DMARC=yes
+# CFLAGS += -I/usr/local/include
+# LDFLAGS += -lopendmarc
+
# 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
# CFLAGS += -I/opt/brightmail/bsdk-6.0/include
# LDFLAGS += -lxml2_single -lbmiclient_single -L/opt/brightmail/bsdk-6.0/lib
-# Uncomment the following line to add DMARC checking capability, implemented
-# using libopendmarc libraries.
-# EXPERIMENTAL_DMARC=yes
-# CFLAGS += -I/usr/local/include
-# LDFLAGS += -lopendmarc
-
# Uncomment the following line to add DANE support
# Note: Enabling this unconditionally overrides DISABLE_DNSSEC
+# Note: DANE is only supported when using OpenSSL
# EXPERIMENTAL_DANE=yes
# Uncomment the following to include extra information in fail DSN message (bounces)
# EXPERIMENTAL_DSN_INFO=yes
+# Uncomment the following to add LMDB lookup support
+# You need to have LMDB installed on your system (https://github.com/LMDB/lmdb)
+# Depending on where it is installed you may have to edit the CFLAGS and LDFLAGS lines.
+# EXPERIMENTAL_LMDB=yes
+# CFLAGS += -I/usr/local/include
+# LDFLAGS += -llmdb
+
###############################################################################
# THESE ARE THINGS YOU MIGHT WANT TO SPECIFY #
###############################################################################
# files, and thus be influenced by the value of TMPDIR. For this reason, when
# Exim starts, it checks the environment for TMPDIR, and if it finds it is set,
# it replaces the value with what is defined here. Commenting this setting
-# suppresses the check altogether.
+# suppresses the check altogether. Older installations call this macro
+# just TMPDIR, but this has side effects at build time. At runtime
+# TMPDIR is checked as before.
-TMPDIR="/tmp"
+EXIM_TMPDIR="/tmp"
#------------------------------------------------------------------------------