Support ret-full on lsearch. Bug 2611

[exim.git] / src / src / configure.default

diff --git a/src/src/configure.default b/src/src/configure.default
index c053466cf8bc1a289c1e767c8e5007ed5ee3cc43..946137fc9ff838c9eff24b01bc12c51e8e9ea675 100644 (file)
--- a/src/src/configure.default
+++ b/src/src/configure.default
@@ -9,7 +9,7 @@
 # configuration file. There are many more than are mentioned here. The
 # manual is in the file doc/spec.txt in the Exim distribution as a plain
 # ASCII file. Other formats (PostScript, Texinfo, HTML, PDF) are available
 # configuration file. There are many more than are mentioned here. The
 # manual is in the file doc/spec.txt in the Exim distribution as a plain
 # ASCII file. Other formats (PostScript, Texinfo, HTML, PDF) are available

-# from the Exim ftp sites. The manual is also online at the Exim web sites.
+# from the Exim ftp sites. The manual is also online at the Exim website.

 
 
 # This file is divided into several parts, all but the first of which are
 
 
 # This file is divided into several parts, all but the first of which are


@@ -37,6 +37,18 @@
 
 
 
 
 
 

+######################################################################
+#                               MACROS                               #
+######################################################################
+#
+
+# If you want to use a smarthost instead of sending directly to recipient
+# domains, uncomment this macro definition and set a real hostname.
+# An appropriately privileged user can then redirect email on the command-line
+# in emergencies, via -D.
+#
+# ROUTER_SMARTHOST=MAIL.HOSTNAME.FOR.CENTRAL.SERVER.EXAMPLE
+

 ######################################################################
 #                    MAIN CONFIGURATION SETTINGS                     #
 ######################################################################
 ######################################################################
 #                    MAIN CONFIGURATION SETTINGS                     #
 ######################################################################


@@ -107,8 +119,11 @@ hostlist   relay_from_hosts = localhost
 # manual for details. The lists above are used in the access control lists for
 # checking incoming messages. The names of these ACLs are defined here:
 
 # manual for details. The lists above are used in the access control lists for
 # checking incoming messages. The names of these ACLs are defined here:
 

-acl_smtp_rcpt = acl_check_rcpt
-acl_smtp_data = acl_check_data
+acl_smtp_rcpt =         acl_check_rcpt
+.ifdef _HAVE_PRDR
+acl_smtp_data_prdr =    acl_check_prdr
+.endif
+acl_smtp_data =         acl_check_data

 
 # You should not change those settings until you understand how ACLs work.
 
 
 # You should not change those settings until you understand how ACLs work.
 


@@ -154,7 +169,16 @@ acl_smtp_data = acl_check_data
 # tls_privatekey = /etc/ssl/exim.pem
 
 # For OpenSSL, prefer EC- over RSA-authenticated ciphers
 # tls_privatekey = /etc/ssl/exim.pem
 
 # For OpenSSL, prefer EC- over RSA-authenticated ciphers

-# tls_require_ciphers = ECDSA:RSA:!COMPLEMENTOFDEFAULT
+.ifdef _HAVE_OPENSSL
+tls_require_ciphers = ECDSA:RSA:!COMPLEMENTOFDEFAULT
+.endif
+
+# Don't offer resumption to (most) MUAs, who we don't want to reuse
+# tickets.  Once the TLS extension for vended ticket numbers comes
+# though, re-examine since resumption on a single-use ticket is still a benefit.
+.ifdef _HAVE_TLS_RESUME
+tls_resumption_hosts = ${if inlist {$received_port}{587:465} {:}{*}}
+.endif

 
 # In order to support roaming users who wish to send email from anywhere,
 # you may want to make Exim listen on other ports as well as port 25, in
 
 # In order to support roaming users who wish to send email from anywhere,
 # you may want to make Exim listen on other ports as well as port 25, in


@@ -250,8 +274,15 @@ dns_dnssec_ok = 1
 # Enable an efficiency feature.  We advertise the feature; clients
 # may request to use it.  For multi-recipient mails we then can
 # reject or accept per-user after the message is received.
 # Enable an efficiency feature.  We advertise the feature; clients
 # may request to use it.  For multi-recipient mails we then can
 # reject or accept per-user after the message is received.

+# This supports recipient-dependent content filtering; without it
+# you have to temp-reject any recipients after the first that have
+# incompatible filtering, and do the filtering in the data ACL.
+# Even with this enabled, you must support the old style for peers
+# not flagging support for PRDR (visible via $prdr_requested).

 #
 #

+.ifdef _HAVE_PRDR

 prdr_enable = true
 prdr_enable = true

+.endif

 
 
 # By default, Exim expects all envelope addresses to be fully qualified, that
 
 
 # By default, Exim expects all envelope addresses to be fully qualified, that


@@ -271,7 +302,7 @@ prdr_enable = true
 # detail than the default.  Adjust to suit.
 
 log_selector = +smtp_protocol_error +smtp_syntax_error \
 # detail than the default.  Adjust to suit.
 
 log_selector = +smtp_protocol_error +smtp_syntax_error \

-       +tls_certificate_verified
+        +tls_certificate_verified

 
 
 # If you want Exim to support the "percent hack" for certain domains,
 
 
 # If you want Exim to support the "percent hack" for certain domains,


@@ -304,7 +335,7 @@ timeout_frozen_after = 7d
 
 
 # By default, messages that are waiting on Exim's queue are all held in a
 
 
 # By default, messages that are waiting on Exim's queue are all held in a

-# single directory called "input" which it itself within Exim's spool
+# single directory called "input" which is itself within Exim's spool

 # directory. (The default spool directory is specified when Exim is built, and
 # is often /var/spool/exim/.) Exim works best when its queue is kept short, but
 # there are circumstances where this is not always possible. If you uncomment
 # directory. (The default spool directory is specified when Exim is built, and
 # is often /var/spool/exim/.) Exim works best when its queue is kept short, but
 # there are circumstances where this is not always possible. If you uncomment


@@ -461,8 +492,8 @@ acl_check_rcpt:
 
   # Insist that a HELO/EHLO was accepted.
 
 
   # Insist that a HELO/EHLO was accepted.
 

-  require message      = nice hosts say HELO first
-          condition    = ${if def:sender_helo_name}
+  require message       = nice hosts say HELO first
+          condition     = ${if def:sender_helo_name}

 
   # 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
 
   # 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


@@ -485,8 +516,8 @@ acl_check_rcpt:
   # 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.
   #
   # 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.
   #

-  # deny    message       = rejected because $sender_host_address is in a black list at $dnslist_domain\n$dnslist_text
-  #         dnslists      = black.list.example
+  # deny    dnslists      = black.list.example
+  #         message       = rejected because $sender_host_address is in a black list at $dnslist_domain\n$dnslist_text

   #
   # warn    dnslists      = black.list.example
   #         add_header    = X-Warning: $sender_host_address is in a black list at $dnslist_domain
   #
   # warn    dnslists      = black.list.example
   #         add_header    = X-Warning: $sender_host_address is in a black list at $dnslist_domain


@@ -504,12 +535,45 @@ acl_check_rcpt:
   # require verify = csa
   #############################################################################
 
   # require verify = csa
   #############################################################################
 

+  #############################################################################
+  # If doing per-user content filtering then recipients with filters different
+  # to the first recipient must be deferred unless the sender talks PRDR.
+  #
+  # defer  !condition     = $prdr_requested
+  #        condition      = ${if > {0}{$receipients_count}}
+  #        condition      = ${if !eq {$acl_m_content_filter} \
+  #                                  {${lookup PER_RCPT_CONTENT_FILTER}}}
+  # warn   !condition     = $prdr_requested
+  #        condition      = ${if > {0}{$receipients_count}}
+  #        set acl_m_content_filter = ${lookup PER_RCPT_CONTENT_FILTER}
+  #############################################################################
+

   # At this point, the address has passed all the checks that have been
   # configured, so we accept it unconditionally.
 
   accept
 
 
   # At this point, the address has passed all the checks that have been
   # configured, so we accept it unconditionally.
 
   accept
 
 

+# This ACL is used once per recipient, for multi-recipient messages, if
+# we advertised PRDR.  It can be used to perform receipient-dependent
+# header- and body- based filtering and rejections.
+# We set a variable to record that PRDR was active used, so that checking
+# in the data ACL can be skipped.
+
+.ifdef _HAVE_PRDR
+acl_check_prdr:
+  warn  set acl_m_did_prdr = y
+
+  #############################################################################
+  # do lookup on filtering, with $local_part@$domain, deny on filter match
+  #
+  # deny      set acl_m_content_filter = ${lookup PER_RCPT_CONTENT_FILTER}
+  #           condition    = ...
+  #############################################################################
+
+  accept
+.endif
+

 # This ACL is used after the contents of a message have been received. This
 # is the ACL in which you can test a message's headers or body, and in
 # particular, this is where you can invoke external virus or spam scanners.
 # This ACL is used after the contents of a message have been received. This
 # is the ACL in which you can test a message's headers or body, and in
 # particular, this is where you can invoke external virus or spam scanners.


@@ -523,15 +587,15 @@ acl_check_data:
   # Deny if the message contains an overlong line.  Per the standards
   # we should never receive one such via SMTP.
   #
   # Deny if the message contains an overlong line.  Per the standards
   # we should never receive one such via SMTP.
   #

-  deny    message    = maximum allowed line length is 998 octets, \
+  deny    condition  = ${if > {$max_received_linelength}{998}}
+          message    = maximum allowed line length is 998 octets, \

                        got $max_received_linelength
                        got $max_received_linelength

-          condition  = ${if > {$max_received_linelength}{998}}

 
   # Deny if the headers contain badly-formed addresses.
   #
 
   # Deny if the headers contain badly-formed addresses.
   #

-  deny   !verify =     header_syntax
-         message =     header syntax
-         log_message = header syntax ($acl_verify_message)
+  deny    !verify =     header_syntax
+          message =     header syntax
+          log_message = header syntax ($acl_verify_message)

 
   # 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 if the message contains a virus. Before enabling this check, you
   # must install a virus scanner and set the av_scanner option above.


@@ -549,6 +613,19 @@ acl_check_data:
   #                      X-Spam_bar: $spam_bar\n\
   #                      X-Spam_report: $spam_report
 
   #                      X-Spam_bar: $spam_bar\n\
   #                      X-Spam_report: $spam_report
 

+  #############################################################################
+  # No more tests if PRDR was actively used.
+  # accept   condition  = ${if def:acl_m_did_prdr}
+  #
+  # To get here, all message recipients must have identical per-user
+  # content filtering (enforced by RCPT ACL).  Do lookup for filter
+  # and deny on match.
+  #
+  # deny      set acl_m_content_filter = ${lookup PER_RCPT_CONTENT_FILTER}
+  #           condition    = ...
+  #############################################################################
+
+

   # Accept the message.
 
   accept
   # Accept the message.
 
   accept


@@ -580,6 +657,25 @@ begin routers
 #   transport = remote_smtp
 
 
 #   transport = remote_smtp
 
 

+# This router can be used when you want to send all mail to a
+# server which handles DNS lookups for you; an ISP will typically run such
+# a server for their customers.  The hostname in route_data comes from the
+# macro defined at the top of the file.  If not defined, then we'll use the
+# dnslookup router below instead.
+# Beware that the hostname is specified again in the Transport.
+
+.ifdef ROUTER_SMARTHOST
+
+smarthost:
+  driver = manualroute
+  domains = ! +local_domains
+  transport = smarthost_smtp
+  route_data = ROUTER_SMARTHOST
+  ignore_target_hosts = <; 0.0.0.0 ; 127.0.0.0/8 ; ::1
+  no_more
+
+.else
+

 # This router routes addresses that are not in local domains by doing a DNS
 # lookup on the domain name. The exclamation mark that appears in "domains = !
 # +local_domains" is a negating operator, that is, it can be read as "not". The
 # This router routes addresses that are not in local domains by doing a DNS
 # lookup on the domain name. The exclamation mark that appears in "domains = !
 # +local_domains" is a negating operator, that is, it can be read as "not". The


@@ -600,23 +696,11 @@ dnslookup:
   ignore_target_hosts = 0.0.0.0 : 127.0.0.0/8
 # if ipv6-enabled then instead use:
 # ignore_target_hosts = <; 0.0.0.0 ; 127.0.0.0/8 ; ::1
   ignore_target_hosts = 0.0.0.0 : 127.0.0.0/8
 # if ipv6-enabled then instead use:
 # ignore_target_hosts = <; 0.0.0.0 ; 127.0.0.0/8 ; ::1

-  dnssec_request_domains = *

   no_more
 
   no_more
 

-
-# This alternative router can be used when you want to send all mail to a
-# server which handles DNS lookups for you; an ISP will typically run such
-# a server for their customers.  If you uncomment "smarthost" then you
-# should comment out "dnslookup" above.  Setting a real hostname in route_data
-# wouldn't hurt either.
-
-# smarthost:
-#   driver = manualroute
-#   domains = ! +local_domains
-#   transport = smarthost_smtp
-#   route_data = MAIL.HOSTNAME.FOR.CENTRAL.SERVER.EXAMPLE
-#   ignore_target_hosts = <; 0.0.0.0 ; 127.0.0.0/8 ; ::1
-#   no_more
+# This closes the ROUTER_SMARTHOST ifdef around the choice of routing for
+# off-site mail.
+.endif

 
 
 # The remaining routers handle addresses in the local domain(s), that is those
 
 
 # The remaining routers handle addresses in the local domain(s), that is those


@@ -726,17 +810,11 @@ begin transports
 
 
 # This transport is used for delivering messages over SMTP connections.
 
 
 # This transport is used for delivering messages over SMTP connections.

-# Refuse to send any message with over-long lines, which could have
-# been received other than via SMTP. The use of message_size_limit to
-# enforce this is a red herring.

 
 remote_smtp:
   driver = smtp
 
 remote_smtp:
   driver = smtp

-  hosts_try_prdr = *
-  message_size_limit = ${if > {$max_received_linelength}{998} {1}{0}}
-.ifdef _HAVE_DANE
-  dnssec_request_domains = *
-  hosts_try_dane = *
+.ifdef _HAVE_TLS_RESUME
+  tls_resumption_hosts = *

 .endif
 
 
 .endif
 
 


@@ -749,27 +827,34 @@ remote_smtp:
 
 smarthost_smtp:
   driver = smtp
 
 smarthost_smtp:
   driver = smtp

-  hosts_try_prdr = *
-  message_size_limit = ${if > {$max_received_linelength}{998} {1}{0}}

   multi_domain
   #
 .ifdef _HAVE_TLS
   # Comment out any of these which you have to, then file a Support
   # request with your smarthost provider to get things fixed:
   hosts_require_tls = *
   multi_domain
   #
 .ifdef _HAVE_TLS
   # Comment out any of these which you have to, then file a Support
   # request with your smarthost provider to get things fixed:
   hosts_require_tls = *

-  tls_sni = $host

   tls_verify_hosts = *
   # As long as tls_verify_hosts is enabled, this won't matter, but if you
   # have to comment it out then this will at least log whether you succeed
   # or not:
   tls_try_verify_hosts = *
   #
   tls_verify_hosts = *
   # As long as tls_verify_hosts is enabled, this won't matter, but if you
   # have to comment it out then this will at least log whether you succeed
   # or not:
   tls_try_verify_hosts = *
   #

+  # The SNI name should match the name which we'll expect to verify;
+  # many mail systems don't use SNI and this doesn't matter, but if it does,
+  # we need to send a name which the remote site will recognize.
+  # This _should_ be the name which the smarthost operators specified as
+  # the hostname for sending your mail to.
+  tls_sni = ROUTER_SMARTHOST
+  #

 .ifdef _HAVE_OPENSSL
   tls_require_ciphers = HIGH:!aNULL:@STRENGTH
 .endif
 .ifdef _HAVE_GNUTLS
   tls_require_ciphers = SECURE192:-VERS-SSL3.0:-VERS-TLS1.0:-VERS-TLS1.1
 .endif
 .ifdef _HAVE_OPENSSL
   tls_require_ciphers = HIGH:!aNULL:@STRENGTH
 .endif
 .ifdef _HAVE_GNUTLS
   tls_require_ciphers = SECURE192:-VERS-SSL3.0:-VERS-TLS1.0:-VERS-TLS1.1
 .endif

+.ifdef _HAVE_TLS_RESUME
+  tls_resumption_hosts = *
+.endif

 .endif
 
 
 .endif
 
 


@@ -782,7 +867,7 @@ smarthost_smtp:
 
 local_delivery:
   driver = appendfile
 
 local_delivery:
   driver = appendfile

-  file = /var/mail/$local_part
+  file = /var/mail/$local_part_data

   delivery_date_add
   envelope_to_add
   return_path_add
   delivery_date_add
   envelope_to_add
   return_path_add