816 lines
29 KiB
Diff
816 lines
29 KiB
Diff
diff --git a/scripts/Configure-Makefile b/scripts/Configure-Makefile
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index 61368ec..e8fe9ef 100755
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--- a/scripts/Configure-Makefile
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+++ b/scripts/Configure-Makefile
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@@ -297,7 +297,7 @@ if [ "${EXIM_PERL}" != "" ] ; then
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mv $mft $mftt
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echo "PERL_CC=`$PERL_COMMAND -MConfig -e 'print $Config{cc}'`" >>$mft
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- echo "PERL_CCOPTS=`$PERL_COMMAND -MExtUtils::Embed -e ccopts`" >>$mft
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+ echo "PERL_CCOPTS=`$PERL_COMMAND -MExtUtils::Embed -e ccopts` \$(CFLAGS)" >>$mft
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echo "PERL_LIBS=`$PERL_COMMAND -MExtUtils::Embed -e ldopts`" >>$mft
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echo "" >>$mft
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cat $mftt >> $mft
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diff --git a/src/EDITME b/src/EDITME
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index f4329fa..b0643e0 100644
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--- a/src/EDITME
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+++ b/src/EDITME
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@@ -99,7 +99,7 @@
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# /usr/local/sbin. The installation script will try to create this directory,
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# and any superior directories, if they do not exist.
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-BIN_DIRECTORY=/usr/exim/bin
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+BIN_DIRECTORY=/usr/sbin
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#------------------------------------------------------------------------------
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@@ -115,7 +115,7 @@ BIN_DIRECTORY=/usr/exim/bin
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# don't exist. It will also install a default runtime configuration if this
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# file does not exist.
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-CONFIGURE_FILE=/usr/exim/configure
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+CONFIGURE_FILE=/etc/exim/exim.conf
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# It is possible to specify a colon-separated list of files for CONFIGURE_FILE.
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# In this case, Exim will use the first of them that exists when it is run.
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@@ -132,7 +132,7 @@ CONFIGURE_FILE=/usr/exim/configure
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# deliveries. (Local deliveries run as various non-root users, typically as the
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# owner of a local mailbox.) Specifying these values as root is not supported.
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-EXIM_USER=
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+EXIM_USER=93
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# If you specify EXIM_USER as a name, this is looked up at build time, and the
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# uid number is built into the binary. However, you can specify that this
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@@ -153,7 +153,7 @@ EXIM_USER=
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# for EXIM_USER (e.g. EXIM_USER=exim), you don't need to set EXIM_GROUP unless
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# you want to use a group other than the default group for the given user.
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-# EXIM_GROUP=
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+EXIM_GROUP=93
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# Many sites define a user called "exim", with an appropriate default group,
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# and use
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@@ -210,10 +210,10 @@ SPOOL_DIRECTORY=/var/spool/exim
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# If you are building with TLS, the library configuration must be done:
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# Uncomment this if you are using OpenSSL
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-# USE_OPENSSL=yes
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+USE_OPENSSL=yes
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# Uncomment one of these settings if you are using OpenSSL; pkg-config vs not
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# and an optional location.
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-# USE_OPENSSL_PC=openssl
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+USE_OPENSSL_PC=openssl
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# TLS_LIBS=-lssl -lcrypto
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# TLS_LIBS=-L/usr/local/openssl/lib -lssl -lcrypto
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@@ -340,7 +340,7 @@ TRANSPORT_SMTP=yes
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# This one is special-purpose, and commonly not required, so it is not
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# included by default.
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-# TRANSPORT_LMTP=yes
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+TRANSPORT_LMTP=yes
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#------------------------------------------------------------------------------
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@@ -349,9 +349,9 @@ TRANSPORT_SMTP=yes
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# MBX, is included only when requested. If you do not know what this is about,
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# leave these settings commented out.
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-# SUPPORT_MAILDIR=yes
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-# SUPPORT_MAILSTORE=yes
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-# SUPPORT_MBX=yes
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+SUPPORT_MAILDIR=yes
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+SUPPORT_MAILSTORE=yes
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+SUPPORT_MBX=yes
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#------------------------------------------------------------------------------
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@@ -409,22 +409,28 @@ LOOKUP_DBM=yes
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LOOKUP_LSEARCH=yes
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LOOKUP_DNSDB=yes
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-# LOOKUP_CDB=yes
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-# LOOKUP_DSEARCH=yes
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+LOOKUP_CDB=yes
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+LOOKUP_DSEARCH=yes
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# LOOKUP_IBASE=yes
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# LOOKUP_JSON=yes
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-# LOOKUP_LDAP=yes
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+LOOKUP_LDAP=yes
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+LDAP_LIB_TYPE=OPENLDAP2
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+LOOKUP_LIBS=-lldap -llber -lsqlite3
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# LOOKUP_LMDB=yes
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-# LOOKUP_MYSQL=yes
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-# LOOKUP_MYSQL_PC=mariadb
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-# LOOKUP_NIS=yes
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+LOOKUP_MYSQL=2
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+LOOKUP_MYSQL_PC=mariadb
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+LOOKUP_NIS=yes
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# LOOKUP_NISPLUS=yes
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+CFLAGS+=-I/usr/include/nsl -I/usr/include/tirpc
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+LIBS+=-L/usr/$(_lib)/nsl
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+
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# LOOKUP_ORACLE=yes
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-# LOOKUP_PASSWD=yes
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-# LOOKUP_PGSQL=yes
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+LOOKUP_PASSWD=yes
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+LOOKUP_PGSQL=2
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+LOOKUP_PGSQL_LIBS=-lpq
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# LOOKUP_REDIS=yes
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-# LOOKUP_SQLITE=yes
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+LOOKUP_SQLITE=yes
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# LOOKUP_SQLITE_PC=sqlite3
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# LOOKUP_WHOSON=yes
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@@ -437,7 +443,7 @@ LOOKUP_DNSDB=yes
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# Some platforms may need this for LOOKUP_NIS:
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-# LIBS += -lnsl
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+LIBS += -lnsl
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#------------------------------------------------------------------------------
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# If you have set LOOKUP_LDAP=yes, you should set LDAP_LIB_TYPE to indicate
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@@ -504,7 +510,7 @@ SUPPORT_DANE=yes
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# files are defaulted in the OS/Makefile-Default file, but can be overridden in
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# local OS-specific make files.
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-# EXIM_MONITOR=eximon.bin
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+EXIM_MONITOR=eximon.bin
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#------------------------------------------------------------------------------
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@@ -514,7 +520,7 @@ SUPPORT_DANE=yes
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# and the MIME ACL. Please read the documentation to learn more about these
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# features.
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-# WITH_CONTENT_SCAN=yes
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+WITH_CONTENT_SCAN=yes
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# If you have content scanning you may wish to only include some of the scanner
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# interfaces. Uncomment any of these lines to remove that code.
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@@ -607,12 +613,12 @@ DISABLE_MAL_MKS=yes
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# using libopendmarc libraries. You must have SPF and DKIM support enabled also.
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# Library version libopendmarc-1.4.1-1.fc33.x86_64 (on Fedora 33) is known broken;
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# 1.3.2-3 works. I seems that the OpenDMARC project broke their API.
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-# SUPPORT_DMARC=yes
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+SUPPORT_DMARC=yes
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# CFLAGS += -I/usr/local/include
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-# LDFLAGS += -lopendmarc
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+LDFLAGS += -lopendmarc
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# Uncomment the following if you need to change the default. You can
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# override it at runtime (main config option dmarc_tld_file)
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-# DMARC_TLD_FILE=/etc/exim/opendmarc.tlds
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+DMARC_TLD_FILE=/usr/share/publicsuffix/public_suffix_list.dat
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# Uncomment the following line to add ARC (Authenticated Received Chain)
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# support. You must have SPF and DKIM support enabled also.
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@@ -712,7 +718,7 @@ FIXED_NEVER_USERS=root
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# CONFIGURE_OWNER setting, to specify a configuration file which is listed in
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# the TRUSTED_CONFIG_LIST file, then root privileges are not dropped by Exim.
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-# TRUSTED_CONFIG_LIST=/usr/exim/trusted_configs
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+TRUSTED_CONFIG_LIST=/etc/exim/trusted-configs
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#------------------------------------------------------------------------------
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@@ -764,18 +770,18 @@ ALLOW_INSECURE_TAINTED_DATA=yes
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# included in the Exim binary. You will then need to set up the run time
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# configuration to make use of the mechanism(s) selected.
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-# AUTH_CRAM_MD5=yes
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-# AUTH_CYRUS_SASL=yes
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-# AUTH_DOVECOT=yes
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+AUTH_CRAM_MD5=yes
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+AUTH_CYRUS_SASL=yes
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+AUTH_DOVECOT=yes
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# AUTH_EXTERNAL=yes
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-# AUTH_GSASL=yes
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-# AUTH_GSASL_PC=libgsasl
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+AUTH_GSASL=yes
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+AUTH_GSASL_PC=libgsasl
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# AUTH_HEIMDAL_GSSAPI=yes
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# AUTH_HEIMDAL_GSSAPI_PC=heimdal-gssapi
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# AUTH_HEIMDAL_GSSAPI_PC=heimdal-gssapi heimdal-krb5
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-# AUTH_PLAINTEXT=yes
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-# AUTH_SPA=yes
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-# AUTH_TLS=yes
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+AUTH_PLAINTEXT=yes
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+AUTH_SPA=yes
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+AUTH_TLS=yes
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# Heimdal through 1.5 required pkg-config 'heimdal-gssapi'; Heimdal 7.1
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# requires multiple pkg-config files to work with Exim, so the second example
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@@ -802,7 +808,7 @@ ALLOW_INSECURE_TAINTED_DATA=yes
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# one that is set in the headers_charset option. The default setting is
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# defined by this setting:
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-HEADERS_CHARSET="ISO-8859-1"
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+HEADERS_CHARSET="UTF-8"
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# If you are going to make use of $header_xxx expansions in your configuration
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# file, or if your users are going to use them in filter files, and the normal
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@@ -822,7 +828,7 @@ HEADERS_CHARSET="ISO-8859-1"
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# the Sieve filter support. For those OS where iconv() is known to be installed
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# as standard, the file in OS/Makefile-xxxx contains
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#
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-# HAVE_ICONV=yes
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+HAVE_ICONV=yes
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#
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# If you are not using one of those systems, but have installed iconv(), you
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# need to uncomment that line above. In some cases, you may find that iconv()
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@@ -898,7 +904,7 @@ HEADERS_CHARSET="ISO-8859-1"
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# Once you have done this, "make install" will build the info files and
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# install them in the directory you have defined.
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-# INFO_DIRECTORY=/usr/share/info
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+INFO_DIRECTORY=/usr/share/info
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#------------------------------------------------------------------------------
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@@ -911,7 +917,7 @@ HEADERS_CHARSET="ISO-8859-1"
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# %s. This will be replaced by one of the strings "main", "panic", or "reject"
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# to form the final file names. Some installations may want something like this:
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-# LOG_FILE_PATH=/var/log/exim_%slog
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+LOG_FILE_PATH=/var/log/exim/%s.log
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# which results in files with names /var/log/exim_mainlog, etc. The directory
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# in which the log files are placed must exist; Exim does not try to create
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@@ -983,7 +989,7 @@ ZCAT_COMMAND=/usr/bin/zcat
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# (version 5.004 or later) installed, set EXIM_PERL to perl.o. Using embedded
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# Perl costs quite a lot of resources. Only do this if you really need it.
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-# EXIM_PERL=perl.o
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+EXIM_PERL=perl.o
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#------------------------------------------------------------------------------
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@@ -993,7 +999,7 @@ ZCAT_COMMAND=/usr/bin/zcat
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# that the local_scan API is made available by the linker. You may also need
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# to add -ldl to EXTRALIBS so that dlopen() is available to Exim.
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-# EXPAND_DLFUNC=yes
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+EXPAND_DLFUNC=yes
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#------------------------------------------------------------------------------
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@@ -1003,7 +1009,7 @@ ZCAT_COMMAND=/usr/bin/zcat
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# support, which is intended for use in conjunction with the SMTP AUTH
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# facilities, is included only when requested by the following setting:
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-# SUPPORT_PAM=yes
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+SUPPORT_PAM=yes
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# You probably need to add -lpam to EXTRALIBS, and in some releases of
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# GNU/Linux -ldl is also needed.
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@@ -1015,12 +1021,12 @@ ZCAT_COMMAND=/usr/bin/zcat
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# If you may want to use outbound (client-side) proxying, using Socks5,
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# uncomment the line below.
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-# SUPPORT_SOCKS=yes
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+SUPPORT_SOCKS=yes
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# If you may want to use inbound (server-side) proxying, using Proxy Protocol,
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# uncomment the line below.
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-# SUPPORT_PROXY=yes
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+SUPPORT_PROXY=yes
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#------------------------------------------------------------------------------
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@@ -1044,9 +1050,9 @@ ZCAT_COMMAND=/usr/bin/zcat
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# installed on your system (www.libspf2.org). Depending on where it is installed
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# you may have to edit the CFLAGS and LDFLAGS lines.
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-# SUPPORT_SPF=yes
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+SUPPORT_SPF=yes
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# CFLAGS += -I/usr/local/include
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-# LDFLAGS += -lspf2
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+LDFLAGS += -lspf2
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#------------------------------------------------------------------------------
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@@ -1111,7 +1117,7 @@ ZCAT_COMMAND=/usr/bin/zcat
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# group. Once you have installed saslauthd, you should arrange for it to be
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# started by root at boot time.
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-# CYRUS_SASLAUTHD_SOCKET=/var/state/saslauthd/mux
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+CYRUS_SASLAUTHD_SOCKET=/var/run/saslauthd/mux
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#------------------------------------------------------------------------------
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@@ -1125,8 +1131,8 @@ ZCAT_COMMAND=/usr/bin/zcat
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# library for TCP wrappers, so you probably need something like this:
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#
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# USE_TCP_WRAPPERS=yes
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-# CFLAGS=-O -I/usr/local/include
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-# EXTRALIBS_EXIM=-L/usr/local/lib -lwrap
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+CFLAGS+=$(RPM_OPT_FLAGS) $(PIE)
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+EXTRALIBS_EXIM=-lpam -ldl -export-dynamic -rdynamic
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#
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# but of course there may need to be other things in CFLAGS and EXTRALIBS_EXIM
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# as well.
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@@ -1178,7 +1184,7 @@ SYSTEM_ALIASES_FILE=/etc/aliases
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# is "yes", as well as supporting line editing, a history of input lines in the
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# current run is maintained.
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-# USE_READLINE=yes
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+USE_READLINE=yes
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# You may need to add -ldl to EXTRALIBS when you set USE_READLINE=yes.
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# Note that this option adds to the size of the Exim binary, because the
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@@ -1195,7 +1201,7 @@ SYSTEM_ALIASES_FILE=/etc/aliases
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#------------------------------------------------------------------------------
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# Uncomment this setting to include IPv6 support.
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-# HAVE_IPV6=yes
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+HAVE_IPV6=yes
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###############################################################################
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# THINGS YOU ALMOST NEVER NEED TO MENTION #
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@@ -1216,13 +1222,13 @@ SYSTEM_ALIASES_FILE=/etc/aliases
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# haven't got Perl, Exim will still build and run; you just won't be able to
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# use those utilities.
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-# CHOWN_COMMAND=/usr/bin/chown
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-# CHGRP_COMMAND=/usr/bin/chgrp
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-# CHMOD_COMMAND=/usr/bin/chmod
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-# MV_COMMAND=/bin/mv
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-# RM_COMMAND=/bin/rm
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-# TOUCH_COMMAND=/usr/bin/touch
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-# PERL_COMMAND=/usr/bin/perl
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+CHOWN_COMMAND=/usr/bin/chown
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+CHGRP_COMMAND=/usr/bin/chgrp
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+CHMOD_COMMAND=/usr/bin/chmod
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+MV_COMMAND=/usr/bin/mv
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+RM_COMMAND=/usr/bin/rm
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+TOUCH_COMMAND=/usr/bin/touch
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+PERL_COMMAND=/usr/bin/perl
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#------------------------------------------------------------------------------
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@@ -1424,7 +1430,7 @@ EXIM_TMPDIR="/tmp"
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# (process id) to a file so that it can easily be identified. The path of the
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# file can be specified here. Some installations may want something like this:
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-# PID_FILE_PATH=/var/lock/exim.pid
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+PID_FILE_PATH=/var/run/exim.pid
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# If PID_FILE_PATH is not defined, Exim writes a file in its spool directory
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# using the name "exim-daemon.pid".
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diff --git a/src/configure.default b/src/configure.default
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index 3761daf..a5d3718 100644
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--- a/src/configure.default
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+++ b/src/configure.default
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@@ -67,7 +67,7 @@
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# +local_domains, +relay_to_domains, and +relay_from_hosts, respectively. They
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# are all colon-separated lists:
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-domainlist local_domains = @
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+domainlist local_domains = @ : localhost : localhost.localdomain
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domainlist relay_to_domains =
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hostlist relay_from_hosts = localhost
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# (We rely upon hostname resolution working for localhost, because the default
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@@ -119,11 +119,13 @@ hostlist relay_from_hosts = localhost
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# manual for details. The lists above are used in the access control lists for
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# checking incoming messages. The names of these ACLs are defined here:
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+acl_smtp_mail = acl_check_mail
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acl_smtp_rcpt = acl_check_rcpt
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.ifdef _HAVE_PRDR
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acl_smtp_data_prdr = acl_check_prdr
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.endif
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acl_smtp_data = acl_check_data
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+acl_smtp_mime = acl_check_mime
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# You should not change those settings until you understand how ACLs work.
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@@ -136,7 +138,7 @@ acl_smtp_data = acl_check_data
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# of what to set for other virus scanners. The second modification is in the
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# acl_check_data access control list (see below).
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-# av_scanner = clamd:/tmp/clamd
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+av_scanner = clamd:/var/run/clamd.exim/clamd.sock
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# For spam scanning, there is a similar option that defines the interface to
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@@ -147,6 +149,12 @@ acl_smtp_data = acl_check_data
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# spamd_address = 127.0.0.1 783
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+# Set the default sqlite database file for greylisting. Uncomment this
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+# if you use the greylisting ACLs defined below.
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+
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+# sqlite_dbfile = /var/spool/exim/db/greylist.db
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+
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+
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# If Exim is compiled with support for TLS, you may want to change the
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# following option so that Exim disallows certain clients from makeing encrypted
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# connections. The default is to allow all.
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@@ -157,7 +165,7 @@ acl_smtp_data = acl_check_data
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# This is equivalent to the default.
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-# tls_advertise_hosts = *
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+tls_advertise_hosts = *
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# Specify the location of the Exim server's TLS certificate and private key.
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# The private key must not be encrypted (password protected). You can put
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@@ -165,8 +173,8 @@ acl_smtp_data = acl_check_data
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# need the first setting, or in separate files, in which case you need both
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# options.
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-# tls_certificate = /etc/ssl/exim.crt
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-# tls_privatekey = /etc/ssl/exim.pem
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+tls_certificate = /etc/pki/tls/certs/exim.pem
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+tls_privatekey = /etc/pki/tls/private/exim.pem
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# For OpenSSL, prefer EC- over RSA-authenticated ciphers
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.ifdef _HAVE_OPENSSL
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@@ -189,8 +197,8 @@ tls_resumption_hosts = ${if inlist {$received_port}{587:465} {:}{*}}
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# them you should also allow TLS-on-connect on the traditional but
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# non-standard port 465.
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-# daemon_smtp_ports = 25 : 465 : 587
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-# tls_on_connect_ports = 465
|
|
+daemon_smtp_ports = 25 : 465 : 587
|
|
+tls_on_connect_ports = 465
|
|
|
|
|
|
# Specify the domain you want to be added to all unqualified addresses
|
|
@@ -248,6 +256,24 @@ never_users = root
|
|
|
|
host_lookup = *
|
|
|
|
+# This setting, if uncommented, allows users to authenticate using
|
|
+# their system passwords against saslauthd if they connect over a
|
|
+# secure connection. If you have network logins such as NIS or
|
|
+# Kerberos rather than only local users, then you possibly also want
|
|
+# to configure /etc/sysconfig/saslauthd to use the 'pam' mechanism
|
|
+# too. Once a user is authenticated, the acl_check_rcpt ACL then
|
|
+# allows them to relay through the system.
|
|
+#
|
|
+# auth_advertise_hosts = ${if eq {$tls_cipher}{}{}{*}}
|
|
+#
|
|
+# By default, we set this option to allow SMTP AUTH from nowhere
|
|
+# (Exim's default would be to allow it from anywhere, even on an
|
|
+# unencrypted connection).
|
|
+#
|
|
+# Comment this one out if you uncomment the above. Did you make sure
|
|
+# saslauthd is actually running first?
|
|
+#
|
|
+auth_advertise_hosts =
|
|
|
|
# The setting below causes Exim to try to initialize the system resolver
|
|
# library with DNSSEC support. It has no effect if your library lacks
|
|
@@ -378,8 +404,8 @@ timeout_frozen_after = 7d
|
|
# Note that TZ is handled separately by the timezone runtime option
|
|
# and TIMEZONE_DEFAULT buildtime option.
|
|
|
|
-# keep_environment = ^LDAP
|
|
-# add_environment = PATH=/usr/bin::/bin
|
|
+keep_environment = ^LDAP
|
|
+add_environment = PATH=/usr/bin::/bin
|
|
|
|
|
|
|
|
@@ -390,6 +416,29 @@ timeout_frozen_after = 7d
|
|
|
|
begin acl
|
|
|
|
+
|
|
+# This access control list is used for the MAIL command in an incoming
|
|
+# SMTP message.
|
|
+
|
|
+acl_check_mail:
|
|
+
|
|
+ # Hosts are required to say HELO (or EHLO) before sending mail.
|
|
+ # So don't allow them to use the MAIL command if they haven't
|
|
+ # done so.
|
|
+
|
|
+ deny condition = ${if eq{$sender_helo_name}{} {1}}
|
|
+ message = Nice boys say HELO first
|
|
+
|
|
+ # Use the lack of reverse DNS to trigger greylisting. Some people
|
|
+ # even reject for it but that would be a little excessive.
|
|
+
|
|
+ warn condition = ${if eq{$sender_host_name}{} {1}}
|
|
+ set acl_m_greylistreasons = Host $sender_host_address lacks reverse DNS\n$acl_m_greylistreasons
|
|
+
|
|
+ accept
|
|
+
|
|
+
|
|
+
|
|
# This access control list is used for every RCPT command in an incoming
|
|
# SMTP message. The tests are run in order until the address is either
|
|
# accepted or denied.
|
|
@@ -401,6 +450,7 @@ acl_check_rcpt:
|
|
|
|
accept hosts = :
|
|
control = dkim_disable_verify
|
|
+ control = dmarc_disable_verify
|
|
|
|
#############################################################################
|
|
# The following section of the ACL is concerned with local parts that contain
|
|
@@ -454,7 +504,8 @@ acl_check_rcpt:
|
|
accept local_parts = postmaster
|
|
domains = +local_domains
|
|
|
|
- # Deny unless the sender address can be verified.
|
|
+ # Deny unless the sender address can be routed. For proper verification of the
|
|
+ # address, read the documentation on callouts and add the /callout modifier.
|
|
|
|
require verify = sender
|
|
|
|
@@ -494,6 +545,7 @@ acl_check_rcpt:
|
|
accept hosts = +relay_from_hosts
|
|
control = submission
|
|
control = dkim_disable_verify
|
|
+ control = dmarc_disable_verify
|
|
|
|
# Accept if the message arrived over an authenticated connection, from
|
|
# any host. Again, these messages are usually from MUAs, so recipient
|
|
@@ -503,6 +555,7 @@ acl_check_rcpt:
|
|
accept authenticated = *
|
|
control = submission
|
|
control = dkim_disable_verify
|
|
+ control = dmarc_disable_verify
|
|
|
|
# Insist that any other recipient address that we accept is either in one of
|
|
# our local domains, or is in a domain for which we explicitly allow
|
|
@@ -523,7 +576,8 @@ acl_check_rcpt:
|
|
# There are no default checks on DNS black lists because the domains that
|
|
# contain these lists are changing all the time. However, here are two
|
|
# examples of how you can get Exim to perform a DNS black list lookup at this
|
|
- # point. The first one denies, whereas the second just warns.
|
|
+ # point. The first one denies, whereas the second just warns. The third
|
|
+ # triggers greylisting for any host in the blacklist.
|
|
#
|
|
# deny dnslists = black.list.example
|
|
# message = rejected because $sender_host_address is in a black list at $dnslist_domain\n$dnslist_text
|
|
@@ -531,6 +585,10 @@ acl_check_rcpt:
|
|
# warn dnslists = black.list.example
|
|
# add_header = X-Warning: $sender_host_address is in a black list at $dnslist_domain
|
|
# log_message = found in $dnslist_domain
|
|
+ #
|
|
+ # warn dnslists = black.list.example
|
|
+ # set acl_m_greylistreasons = Host found in $dnslist_domain\n$acl_m_greylistreasons
|
|
+ #
|
|
#############################################################################
|
|
|
|
#############################################################################
|
|
@@ -557,6 +615,10 @@ acl_check_rcpt:
|
|
# set acl_m_content_filter = ${lookup PER_RCPT_CONTENT_FILTER}
|
|
#############################################################################
|
|
|
|
+ # Alternatively, greylist for it:
|
|
+ # warn !verify = csa
|
|
+ # set acl_m_greylistreasons = Host failed CSA check\n$acl_m_greylistreasons
|
|
+
|
|
# At this point, the address has passed all the checks that have been
|
|
# configured, so we accept it unconditionally.
|
|
|
|
@@ -606,21 +668,32 @@ acl_check_data:
|
|
message = header syntax
|
|
log_message = header syntax ($acl_verify_message)
|
|
|
|
+ # Put simple tests first. A good one is to check for the presence of a
|
|
+ # Message-Id: header, which RFC2822 says SHOULD be present. Some broken
|
|
+ # or misconfigured mailer software occasionally omits this from genuine
|
|
+ # messages too, though -- although it's not hard for the offender to fix
|
|
+ # after they receive a bounce because of it.
|
|
+ #
|
|
+ # deny condition = ${if !def:h_Message-ID: {1}}
|
|
+ # message = RFC2822 says that all mail SHOULD have a Message-ID header.\n\
|
|
+ # Most messages without it are spam, so your mail has been rejected.
|
|
+ #
|
|
+ # Alternatively if we're feeling more lenient we could just use it to
|
|
+ # trigger greylisting instead:
|
|
+
|
|
+ warn condition = ${if !def:h_Message-ID: {1}}
|
|
+ set acl_m_greylistreasons = Message lacks Message-Id: header. Consult RFC2822.\n$acl_m_greylistreasons
|
|
+
|
|
# Deny if the message contains a virus. Before enabling this check, you
|
|
# must install a virus scanner and set the av_scanner option above.
|
|
#
|
|
# deny malware = *
|
|
# message = This message contains a virus ($malware_name).
|
|
|
|
- # Add headers to a message if it is judged to be spam. Before enabling this,
|
|
- # you must install SpamAssassin. You may also need to set the spamd_address
|
|
- # option above.
|
|
+ # Bypass SpamAssassin checks if the message is too large.
|
|
#
|
|
- # warn spam = nobody
|
|
- # add_header = X-Spam_score: $spam_score\n\
|
|
- # X-Spam_score_int: $spam_score_int\n\
|
|
- # X-Spam_bar: $spam_bar\n\
|
|
- # X-Spam_report: $spam_report
|
|
+ # accept condition = ${if >={$message_size}{100000} {1}}
|
|
+ # add_header = X-Spam-Note: SpamAssassin run bypassed due to message size
|
|
|
|
#############################################################################
|
|
# No more tests if PRDR was actively used.
|
|
@@ -634,11 +707,63 @@ acl_check_data:
|
|
# condition = ...
|
|
#############################################################################
|
|
|
|
+ # Run SpamAssassin, but allow for it to fail or time out. Add a warning message
|
|
+ # and accept the mail if that happens. Add an X-Spam-Flag: header if the SA
|
|
+ # score exceeds the SA system threshold.
|
|
+ #
|
|
+ # warn spam = nobody/defer_ok
|
|
+ # add_header = X-Spam-Flag: YES
|
|
+ #
|
|
+ # accept condition = ${if !def:spam_score_int {1}}
|
|
+ # add_header = X-Spam-Note: SpamAssassin invocation failed
|
|
+ #
|
|
+
|
|
+ # Unconditionally add score and report headers
|
|
+ #
|
|
+ # warn add_header = X-Spam-Score: $spam_score ($spam_bar)\n\
|
|
+ # X-Spam-Report: $spam_report
|
|
+
|
|
+ # And reject if the SpamAssassin score is greater than ten
|
|
+ #
|
|
+ # deny condition = ${if >{$spam_score_int}{100} {1}}
|
|
+ # message = Your message scored $spam_score SpamAssassin point. Report follows:\n\
|
|
+ # $spam_report
|
|
+
|
|
+ # Trigger greylisting (if enabled) if the SpamAssassin score is greater than 0.5
|
|
+ #
|
|
+ # warn condition = ${if >{$spam_score_int}{5} {1}}
|
|
+ # set acl_m_greylistreasons = Message has $spam_score SpamAssassin points\n$acl_m_greylistreasons
|
|
+
|
|
|
|
- # Accept the message.
|
|
+ # If you want to greylist _all_ mail rather than only mail which looks like there
|
|
+ # might be something wrong with it, then you can do this...
|
|
+ #
|
|
+ # warn set acl_m_greylistreasons = We greylist all mail\n$acl_m_greylistreasons
|
|
+
|
|
+ # Now, invoke the greylisting. For this you need to have installed the exim-greylist
|
|
+ # package which contains this subroutine, and you need to uncomment the bit below
|
|
+ # which includes it too. Whenever the $acl_m_greylistreasons variable is non-empty,
|
|
+ # greylisting will kick in and will defer the mail to check if the sender is a
|
|
+ # proper mail which which retries, or whether it's a zombie. For more details, see
|
|
+ # the exim-greylist.conf.inc file itself.
|
|
+ #
|
|
+ # require acl = greylist_mail
|
|
|
|
accept
|
|
|
|
+# To enable the greylisting, also uncomment this line:
|
|
+# .include /etc/exim/exim-greylist.conf.inc
|
|
+
|
|
+acl_check_mime:
|
|
+
|
|
+ # File extension filtering.
|
|
+ deny message = Blacklisted file extension detected
|
|
+ condition = ${if match \
|
|
+ {${lc:$mime_filename}} \
|
|
+ {\N(\.exe|\.pif|\.bat|\.scr|\.lnk|\.com)$\N} \
|
|
+ {1}{0}}
|
|
+
|
|
+ accept
|
|
|
|
|
|
######################################################################
|
|
@@ -740,7 +865,7 @@ system_aliases:
|
|
driver = redirect
|
|
allow_fail
|
|
allow_defer
|
|
- data = ${lookup{$local_part}lsearch{SYSTEM_ALIASES_FILE}}
|
|
+ data = ${lookup{$local_part}lsearch{/etc/aliases}}
|
|
# user = exim
|
|
file_transport = address_file
|
|
pipe_transport = address_pipe
|
|
@@ -778,7 +903,7 @@ userforward:
|
|
# local_part_suffix = +* : -*
|
|
# local_part_suffix_optional
|
|
file = $home/.forward
|
|
-# allow_filter
|
|
+ allow_filter
|
|
no_verify
|
|
no_expn
|
|
check_ancestor
|
|
@@ -786,6 +911,12 @@ userforward:
|
|
pipe_transport = address_pipe
|
|
reply_transport = address_reply
|
|
|
|
+procmail:
|
|
+ driver = accept
|
|
+ check_local_user
|
|
+ require_files = ${local_part}:+${home}/.procmailrc:/usr/bin/procmail
|
|
+ transport = procmail
|
|
+ no_verify
|
|
|
|
# This router matches local user mailboxes. If the router fails, the error
|
|
# message is "Unknown user".
|
|
@@ -826,6 +957,25 @@ remote_smtp:
|
|
tls_resumption_hosts = *
|
|
.endif
|
|
|
|
+# This transport is used for delivering messages over SMTP using the
|
|
+# "message submission" port (RFC4409).
|
|
+
|
|
+remote_msa:
|
|
+ driver = smtp
|
|
+ port = 587
|
|
+ hosts_require_auth = *
|
|
+
|
|
+
|
|
+# This transport invokes procmail to deliver mail
|
|
+procmail:
|
|
+ driver = pipe
|
|
+ command = "/usr/bin/procmail -d $local_part"
|
|
+ return_path_add
|
|
+ delivery_date_add
|
|
+ envelope_to_add
|
|
+ user = $local_part
|
|
+ initgroups
|
|
+ return_output
|
|
|
|
# This transport is used for delivering messages to a smarthost, if the
|
|
# smarthost router is enabled. This starts from the same basis as
|
|
@@ -880,8 +1030,8 @@ local_delivery:
|
|
delivery_date_add
|
|
envelope_to_add
|
|
return_path_add
|
|
-# group = mail
|
|
-# mode = 0660
|
|
+ group = mail
|
|
+ mode = 0660
|
|
|
|
|
|
# This transport is used for handling pipe deliveries generated by alias or
|
|
@@ -914,6 +1064,16 @@ address_reply:
|
|
driver = autoreply
|
|
|
|
|
|
+# This transport is used to deliver local mail to cyrus IMAP server via UNIX
|
|
+# socket. You'll need to configure the 'localuser' router above to use it.
|
|
+#
|
|
+#lmtp_delivery:
|
|
+# home_directory = /var/spool/imap
|
|
+# driver = lmtp
|
|
+# command = "/usr/lib/cyrus-imapd/deliver -l"
|
|
+# batch_max = 20
|
|
+# user = cyrus
|
|
+
|
|
|
|
######################################################################
|
|
# RETRY CONFIGURATION #
|
|
@@ -954,6 +1114,21 @@ begin rewrite
|
|
# AUTHENTICATION CONFIGURATION #
|
|
######################################################################
|
|
|
|
+begin authenticators
|
|
+
|
|
+# This authenticator supports CRAM-MD5 username/password authentication
|
|
+# with Exim acting as a _client_, as it might when sending its outgoing
|
|
+# mail to a smarthost rather than directly to the final recipient.
|
|
+# Replace SMTPAUTH_USERNAME and SMTPAUTH_PASSWORD as appropriate.
|
|
+
|
|
+#client_auth:
|
|
+# driver = cram_md5
|
|
+# public_name = CRAM-MD5
|
|
+# client_name = SMTPAUTH_USERNAME
|
|
+# client_secret = SMTPAUTH_PASSWORD
|
|
+
|
|
+#
|
|
+
|
|
# The following authenticators support plaintext username/password
|
|
# authentication using the standard PLAIN mechanism and the traditional
|
|
# but non-standard LOGIN mechanism, with Exim acting as the server.
|
|
@@ -969,7 +1144,7 @@ begin rewrite
|
|
# The default RCPT ACL checks for successful authentication, and will accept
|
|
# messages from authenticated users from anywhere on the Internet.
|
|
|
|
-begin authenticators
|
|
+#
|
|
|
|
# PLAIN authentication has no server prompts. The client sends its
|
|
# credentials in one lump, containing an authorization ID (which we do not
|
|
@@ -983,7 +1158,7 @@ begin authenticators
|
|
# driver = plaintext
|
|
# server_set_id = $auth2
|
|
# server_prompts = :
|
|
-# server_condition = Authentication is not yet configured
|
|
+# server_condition = ${if saslauthd{{$2}{$3}{smtp}} {1}}
|
|
# server_advertise_condition = ${if def:tls_in_cipher }
|
|
|
|
# LOGIN authentication has traditional prompts and responses. There is no
|
|
@@ -995,7 +1170,7 @@ begin authenticators
|
|
# driver = plaintext
|
|
# server_set_id = $auth1
|
|
# server_prompts = <| Username: | Password:
|
|
-# server_condition = Authentication is not yet configured
|
|
+# server_condition = ${if saslauthd{{$1}{$2}{smtp}} {1}}
|
|
# server_advertise_condition = ${if def:tls_in_cipher }
|
|
|
|
|