# least one type of lookup. You should consider whether you want to build
# the Exim monitor or not.
+# If you need to override how pkg-config finds configuration files for
+# installed software, then you can set that here; wildcards will be expanded.
+
+# PKG_CONFIG_PATH=/usr/local/opt/openssl/lib/pkgconfig : /opt/*/lib/pkgconfig
+
#------------------------------------------------------------------------------
# These settings determine which individual router drivers are included in the
# you perform upgrades and revert them. You should consider the benefit of
# embedding the Exim version number into LOOKUP_MODULE_DIR, so that you can
# maintain two concurrent sets of modules.
-#
+#
# *BEWARE*: ability to modify the files in LOOKUP_MODULE_DIR is equivalent to
# the ability to modify the Exim binary, which is often setuid root! The Exim
# developers only intend this functionality be used by OS software packagers
# library.
# NOTE: LDAP cannot be built as a module!
#
+# For Redis you need to have hiredis installed on your system
+# (https://github.com/redis/hiredis).
+# Depending on where it is installed you may have to edit the CFLAGS
+# (often += -I/usr/local/include) and LDFLAGS (-lhiredis) lines.
+
# If your system has pkg-config then the _INCLUDE/_LIBS setting can be
# handled for you automatically by also defining the _PC variable to reference
# the name of the pkg-config package, if such is available.
# LOOKUP_IBASE=yes
# LOOKUP_LDAP=yes
# LOOKUP_MYSQL=yes
+# LOOKUP_MYSQL_PC=mariadb
# LOOKUP_NIS=yes
# LOOKUP_NISPLUS=yes
# LOOKUP_ORACLE=yes
# LOOKUP_PASSWD=yes
# LOOKUP_PGSQL=yes
+# LOOKUP_REDIS=yes
# LOOKUP_SQLITE=yes
# LOOKUP_SQLITE_PC=sqlite3
# LOOKUP_WHOSON=yes
# the command for linking Exim itself, not on any auxiliary programs. You
# don't need to set LOOKUP_INCLUDE if the relevant directories are already
# specified in INCLUDE. The settings below are just examples; -lpq is for
-# PostgreSQL, -lgds is for Interbase, -lsqlite3 is for SQLite.
+# PostgreSQL, -lgds is for Interbase, -lsqlite3 is for SQLite, -lhiredis
+# is for Redis.
#
# You do not need to use this for any lookup information added via pkg-config.
# 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
#
# WITH_OLD_CLAMAV_STREAM=yes
+
#------------------------------------------------------------------------------
-# 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
# DISABLE_DNSSEC=yes
+# To disable support for Events set DISABLE_EVENT to "yes"
+
+# DISABLE_EVENT=yes
+
#------------------------------------------------------------------------------
# Compiling Exim with experimental features. These are documented in
# 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
+# DMARC_TLD_FILE= /etc/exim/opendmarc.tlds
+# 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 line to support Events,
-# eg. for logging to a database.
-# EXPERIMENTAL_EVENT=yes
+# Uncomment the following to include extra information in fail DSN message (bounces)
+# EXPERIMENTAL_DSN_INFO=yes
-# Uncomment the following line to add Redis lookup support
-# You need to have hiredis installed on your system (https://github.com/redis/hiredis).
+# 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_REDIS=yes
+# EXPERIMENTAL_LMDB=yes
# CFLAGS += -I/usr/local/include
-# LDFLAGS += -lhiredis
-
-# Uncomment the following line to enable Experimental Proxy Protocol
-# EXPERIMENTAL_PROXY=yes
-
-# Uncomment the following line to enable support for checking certificate
-# ownership
-# EXPERIMENTAL_CERTNAMES=yes
-
-# Uncomment the following line to add DANE support
-# Note: Enabling this unconditionally overrides DISABLE_DNSSEC
-# EXPERIMENTAL_DANE=yes
+# LDFLAGS += -llmdb
-# Uncomment the following to add Internationalisation features. You need to
-# have the IDN library installed.
-# EXPERIMENTAL_INTERNATIONAL=yes
-# LDFLAGS += -lidn
+# Uncomment the following line to add queuefile transport support
+# EXPERIMENTAL_QUEUEFILE=yes
###############################################################################
# THESE ARE THINGS YOU MIGHT WANT TO SPECIFY #
# That shim can set macros before .include'ing your main configuration file.
#
# As a strictly transient measure to ease migration to 4.73, the
-# WHITELIST_D_MACROS value definies a colon-separated list of macro-names
+# WHITELIST_D_MACROS value defines a colon-separated list of macro-names
# which are permitted to be overridden from the command-line which will be
# honoured by the Exim user. So these are macros that can persist to delivery
# time.
# AUTH_GSASL_PC=libgsasl
# AUTH_HEIMDAL_GSSAPI=yes
# AUTH_HEIMDAL_GSSAPI_PC=heimdal-gssapi
+# AUTH_HEIMDAL_GSSAPI_PC=heimdal-gssapi heimdal-krb5
# AUTH_PLAINTEXT=yes
# AUTH_SPA=yes
# AUTH_TLS=yes
+# Heimdal through 1.5 required pkg-config 'heimdal-gssapi'; Heimdal 7.1
+# requires multiple pkg-config files to work with Exim, so the second example
+# above is needed.
#------------------------------------------------------------------------------
# If you specified AUTH_CYRUS_SASL above, you should ensure that you have the
#
# but of course there may need to be other things in CFLAGS and EXTRALIBS_EXIM
# as well.
+#
+# nb: FreeBSD as of 4.89 defines LIBICONV_PLUG to pick up the system iconv
+# more reliably. If you explicitly want the libiconv Port then as well
+# as adding -liconv you'll want to unset LIBICONV_PLUG. If you actually need
+# this, let us know, but for now the Exim Maintainers are assuming that this
+# is uncommon and so you'll need to edit OS/os.h-FreeBSD yourself to remove
+# the define.
#------------------------------------------------------------------------------
# USE_GNUTLS_PC=gnutls
# TLS_LIBS=-lgnutls -ltasn1 -lgcrypt
+# If using GnuTLS older than 2.10 and using pkg-config then note that Exim's
+# build process will require libgcrypt-config to exist in your $PATH. A
+# version that old is likely to become unsupported by Exim in 2017.
+
# The security fix we provide with the gnutls_allow_auto_pkcs11 option
# (4.82 PP/09) introduces a compatibility regression. The symbol is
# not available if GnuTLS is build without p11-kit (--without-p11-kit
#------------------------------------------------------------------------------
# Proxying.
-# If you may want to use outbound (client-side) proxying, uncomment the SOCKS
-# line below.
+#
+# If you may want to use outbound (client-side) proxying, using Socks5,
+# uncomment the line below.
# SUPPORT_SOCKS=yes
+# If you may want to use inbound (server-side) proxying, using Proxy Protocol,
+# uncomment the line below.
+
+# SUPPORT_PROXY=yes
+
+
+#------------------------------------------------------------------------------
+# Internationalisation.
+#
+# Uncomment the following to include Internationalisation features. This is the
+# SMTPUTF8 ESMTP extension, and associated facilities for handling UTF8 domain
+# and localparts, per RFC 3490 (IDNA2003).
+# You need to have the IDN library installed.
+# If you want IDNA2008 mappings per RFCs 5890, 6530 and 6533, you additionally
+# need libidn2 and SUPPORT_I18N_2008.
+
+# SUPPORT_I18N=yes
+# LDFLAGS += -lidn
+# SUPPORT_I18N_2008=yes
+# LDFLAGS += -lidn -lidn2
+
#------------------------------------------------------------------------------
# Support for authentication via Radius is also available. The Exim support,
# Note that this option adds to the size of the Exim binary, because the
# dynamic loading library is not otherwise included.
+# If libreadline is not in the normal library paths, then because Exim is
+# setuid you'll need to ensure that the correct directory is stamped into
+# the binary so that dlopen will find it.
+# Eg, on macOS/Darwin with a third-party install of libreadline, perhaps:
+
+# EXTRALIBS_EXIM+=-Wl,-rpath,/usr/local/opt/readline/lib
+
#------------------------------------------------------------------------------
# Uncomment this setting to include IPv6 support.
# 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"
#------------------------------------------------------------------------------