-# $Cambridge: exim/exim-src/src/configure.default,v 1.14 2009/10/16 07:46:13 tom Exp $
+# DO NOT EDIT - This file is being maintained by Chef
######################################################################
# Runtime configuration file for Exim #
######################################################################
# MAIN CONFIGURATION SETTINGS #
######################################################################
+#
# Specify your host's canonical name here. This should normally be the fully
# qualified "official" name of your host. If this option is not set, the
# to any other host on the Internet. Such a setting commonly refers to a
# complete local network as well as the localhost. For example:
#
-# hostlist relay_from_hosts = 127.0.0.1 : 192.168.0.0/16
+# hostlist relay_from_hosts = <; 127.0.0.1 ; ::1 ; 192.168.0.0/16
#
# The "/16" is a bit mask (CIDR notation), not a number of hosts. Note that you
# have to include 127.0.0.1 if you want to allow processes on your host to send
# SMTP mail by using the loopback address. A number of MUAs use this method of
-# sending mail.
+# sending mail. Often, connections are made to "localhost", which might be ::1
+# on IPv6-enabled hosts. Do not forget CIDR for your IPv6 networks.
# All three of these lists may contain many different kinds of item, including
# wildcarded names, regular expressions, and file lookups. See the reference
# Allow any client to use TLS.
-tls_advertise_hosts = <; !127.0.0.1 ; !::1
+tls_advertise_hosts = *
# Specify the location of the Exim server's TLS certificate and private key.
# The private key must not be encrypted (password protected). You can put
# need the first setting, or in separate files, in which case you need both
# options.
+<% if node[:exim][:certificate_names] -%>
+tls_certificate = /etc/ssl/certs/<%= node[:exim][:certificate_names].first %>.pem
+tls_privatekey = /etc/ssl/private/<%= node[:exim][:certificate_names].first %>.key
+<% else -%>
tls_certificate = /etc/ssl/certs/exim.pem
tls_privatekey = /etc/ssl/private/exim.key
+<% end -%>
+
+# Configure TLS cipher selection.
+
+tls_require_ciphers = <%= node[:ssl][:gnutls_ciphers] %>:%SERVER_PRECEDENCE
# 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
host_lookup = *
-# The settings below, which are actually the same as the defaults in the
-# code, cause Exim to make RFC 1413 (ident) callbacks for all incoming SMTP
-# calls. You can limit the hosts to which these calls are made, and/or change
-# the timeout that is used. If you set the timeout to zero, all RFC 1413 calls
-# are disabled. RFC 1413 calls are cheap and can provide useful information
-# for tracing problem messages, but some hosts and firewalls have problems
-# with them. This can result in a timeout instead of an immediate refused
-# connection, leading to delays on starting up SMTP sessions. (The default was
-# reduced from 30s to 5s for release 4.61.)
+# The settings below cause Exim to make RFC 1413 (ident) callbacks
+# for all incoming SMTP calls. You can limit the hosts to which these
+# calls are made, and/or change the timeout that is used. If you set
+# the timeout to zero, all RFC 1413 calls are disabled. RFC 1413 calls
+# are cheap and can provide useful information for tracing problem
+# messages, but some hosts and firewalls have problems with them.
+# This can result in a timeout instead of an immediate refused
+# connection, leading to delays on starting up SMTP sessions.
+# (The default was reduced from 30s to 5s for release 4.61. and to
+# disabled for release 4.86)
+#
+#rfc1413_hosts = *
+#rfc1413_query_timeout = 5s
-rfc1413_hosts = *
-rfc1413_query_timeout = 5s
+
+# 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.
+#
+prdr_enable = true
# By default, Exim expects all envelope addresses to be fully qualified, that
# and/or qualify_recipient (see above).
+# Unless you run a high-volume site you probably want more logging
+# detail than the default. Adjust to suit.
+
+log_selector = +all -skip_delivery
+
+
# If you want Exim to support the "percent hack" for certain domains,
# uncomment the following line and provide a list of domains. The "percent
# hack" is the feature by which mail addressed to x%y@z (where z is one of
# split_spool_directory = true
-# Log just about everything we can log so that we have the best
-# possible chance of knowing what's going on.
+# If you're in a part of the world where ASCII is not sufficient for most
+# text, then you're probably familiar with RFC2047 message header extensions.
+# By default, Exim adheres to the specification, including a limit of 76
+# characters to a line, with encoded words fitting within a line.
+# If you wish to use decoded headers in message filters in such a way
+# that successful decoding of malformed messages matters, you may wish to
+# configure Exim to be more lenient.
+#
+# check_rfc2047_length = false
+#
+# In particular, the Exim maintainers have had multiple reports of problems
+# from Russian administrators of issues until they disable this check,
+# because of some popular, yet buggy, mail composition software.
-log_selector = +all -skip_delivery
+
+# If you wish to be strictly RFC compliant, or if you know you'll be
+# exchanging email with systems that are not 8-bit clean, then you may
+# wish to disable advertising 8BITMIME. Uncomment this option to do so.
+
+# accept_8bitmime = false
+
+
+# Exim does not make use of environment variables itself. However,
+# libraries that Exim uses (e.g. LDAP) depend on specific environment settings.
+# There are two lists: keep_environment for the variables we trust, and
+# add_environment for variables we want to set to a specific value.
+# 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
# Define trusted users.
# testing for an empty sending host field.
accept hosts = :
-<% if node[:lsb][:release].to_i >= 10.04 -%>
control = dkim_disable_verify
-<% end -%>
#############################################################################
# The following section of the ACL is concerned with local parts that contain
local_parts = ^[./|] : ^.*[@%!] : ^.*/\\.\\./
#############################################################################
+ # Block bounces to selected addresses
+
+ deny local_parts = root:postmaster:webmaster:abuse:support
+ senders = :
+
+ # Block blacklisted senders
+
+ deny senders = lsearch*@;/etc/exim4/blocked-senders
+ message = Rejected because $sender_address is blacklisted\nQueries to postmaster@$qualify_domain
+ !hosts = +relay_from_hosts
+
# Accept mail to postmaster in any local domain, regardless of the source,
# and without verifying the sender.
# Deny incoming mail unless the sender address can be verified.
deny !hosts = +relay_from_hosts
- !verify = sender/callout/defer_ok
+ !verify = sender
# Accept if the message comes from one of the hosts for which we are an
# outgoing relay. It is assumed that such hosts are most likely to be MUAs,
accept hosts = +relay_from_hosts
control = submission
-<% if node[:lsb][:release].to_i >= 10.04 -%>
control = dkim_disable_verify
-<% end -%>
# Accept if the message arrived over an authenticated connection, from
# any host. Again, these messages are usually from MUAs, so recipient
accept authenticated = *
control = submission
-<% if node[:lsb][:release].to_i >= 10.04 -%>
control = dkim_disable_verify
-<% end -%>
# 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
# 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 demime = *
- malware = *
- message = This message contains a virus ($malware_name).
+ deny malware = *
+ message = This message was detected as possible malware ($malware_name).
<% end -%>
<% if File.exist?("/var/run/spamd.pid") -%>
message = This message scored $spam_score SpamAssassin points.
<% end -%>
+ # Deny spammy messages with headers of the form:
+ # X-PHP-Originating-Script: <digits>:<name>.php
+ # X-PHP-Originating-Script: <digits>:<name>.class.php
+ deny condition = ${if match {$h_X-PHP-Originating-Script:}{^[0-9]+:[A-Za-z]+(\\.class)?\\.php\$}}
+ !hosts = +relay_from_hosts
+ message = This message failed local spam checks.
+
# Accept the message.
accept
system_aliases:
driver = redirect
- domains = +local_domains
+ domains = !noreply.openstreetmap.org : +local_domains
allow_fail
allow_defer
data = ${lookup{$local_part}lsearch{/etc/aliases}}
<% end -%>
<% if details[:local_parts] -%>
local_parts = <%= details[:local_parts].join(" : ") %>
+ local_part_suffix = +*
+ local_part_suffix_optional
<% end -%>
<% if details[:host] -%>
<% if details[:host].kind_of?(Array) -%>
dnslookup:
driver = dnslookup
domains = ! +local_domains
- transport = remote_smtp
+ transport = signed_smtp
same_domain_copy_routing = yes
ignore_target_hosts = 0.0.0.0 : 127.0.0.0/8
no_more
remote_smtp:
driver = smtp
+ multi_domain = false
+ tls_require_ciphers = <%= node[:ssl][:gnutls_ciphers] %>:%LATEST_RECORD_VERSION
+
+
+# This transport is used for delivering DKIM signed messages over SMTP connections.
+
+signed_smtp:
+ driver = smtp
+ dkim_domain = ${lc:${domain:$h_from:}}
+ dkim_selector = ${lookup{$dkim_domain}lsearch{/etc/exim4/dkim-selectors}{$value}}
+ dkim_private_key = /etc/exim4/dkim-keys/${dkim_domain}
+ dkim_identity = ${lc:${address:$h_from:}}
+ # dkim_timestamps = 1209600
+ multi_domain = false
+ tls_require_ciphers = <%= node[:ssl][:gnutls_ciphers] %>:%LATEST_RECORD_VERSION
# This transport is used for handling pipe deliveries generated by alias or
group = Debian-exim
<% node[:exim][:routes].each do |name,details| -%>
-<% if details[:command] -%>
+<% if details[:command] or details[:file] or details[:maildir] -%>
# This transport handles mail for <%= details[:comment] -%>.
<%= name -%>:
+<% if details[:command] -%>
driver = pipe
command = <%= details[:command] %>
+ home_directory = <%= details[:home_directory] %>
+ path = <%= details[:path] || "/bin:/usr/bin" %>
+<% if details[:environment] -%>
+ environment = <%= details[:environment].map { |k,v| "#{k}=#{v}" }.join(":") %>
+<% end -%>
+ return_fail_output
+<% else -%>
+ driver = appendfile
+<% if details[:file] -%>
+ file = <%= details[:file] %>
+<% elsif details[:maildir] -%>
+ directory = <%= details[:maildir] %>
+ maildir_format
+<% end -%>
+ envelope_to_add
+ return_path_add
+ mode = 0660
+<% end -%>
user = <%= details[:user] %>
<% if details[:group] -%>
group = <%= details[:group] %>
<% end -%>
- home_directory = <%= details[:home_directory] %>
- return_output
-
<% end -%>
<% end -%>
# There are no rewriting specifications in this default configuration file.
begin rewrite
+*@<%= node[:fqdn] %> "${if !match {${lookup{$1}lsearch{/etc/aliases}{$value}}}{@} {$1@openstreetmap.org}fail}" Eh
+<% node[:exim][:rewrites].each do |rewrite| -%>
+<%= rewrite[:pattern] %> <%= rewrite[:replacement] %> <%= rewrite[:flags] %>
+<% end -%>
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