#------------------------------------------------------------------------------
-# 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
# EXPERIMENTAL_DANE=yes
# 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"
#------------------------------------------------------------------------------