trusted_users = <%= node[:exim][:trusted_users].join(" : ") %>
+# Do all deliveries via a limited set of queues.
+
+queue_only = true
+queue_run_max = <%= node[:exim][:queue_run_max] %>
+
+
+# Maximum number of simultaneous SMTP connections
+
+smtp_accept_max = <%= node[:exim][:smtp_accept_max] %>
+
+
######################################################################
# ACL CONFIGURATION #
!hosts = +relay_from_hosts
message = This message failed local spam checks.
- # Accept the message.
+ # Accept messages from relay hosts without modification.
- accept
+ accept hosts = +relay_from_hosts
+
+ # Accept messages from external hosts and add authentication results.
+
+ accept add_header = :at_start:${authresults {$primary_hostname}}
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
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
+ connect_timeout = 1m
+ dkim_domain = ${lookup{${domain:$h_from:}}partial-lsearch{/etc/exim4/dkim-domains}{$value}}
+ 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
+ hosts_try_dane =
+ tls_require_ciphers = <%= node[:ssl][:gnutls_ciphers] %>:%LATEST_RECORD_VERSION
+
+
# This transport is used for handling pipe deliveries generated by alias or
# .forward files. If the pipe generates any standard output, it is returned
# to the sender of the message as a delivery error. Set return_fail_output
to = $sender_address
subject = Re: $header_subject:
headers = MIME-Version: 1.0\nContent-Type: text/plain; charset=utf-8
- file = /etc/exim4/noreply/$local_part
+ file = ${lookup{$local_part}dsearch,filter=file,ret=full{/etc/exim4/noreply}}
user = Debian-exim
group = Debian-exim