exim: Completely review the exim configuration.

[matthijs/servers/drsnuggles.git] / etc / exim4 / conf.d / router / 10_outbound

diff --git a/etc/exim4/conf.d/router/10_outbound b/etc/exim4/conf.d/router/10_outbound
new file mode 100644 (file)
index 0000000..d30f36a
--- /dev/null
+++ b/etc/exim4/conf.d/router/10_outbound
@@ -0,0 +1,35 @@
+### router/200_exim4-config_primary
+#################################
+# This file holds the primary router, responsible for nonlocal mails
+
+# deliver mail to the recipient if recipient domain is a domain we
+# relay for. We do not ignore any target hosts here since delivering to
+# a site local or even a link local address might be wanted here, and if
+# such an address has found its way into the MX record of such a domain,
+# the local admin is probably in a place where that broken MX record
+# could be fixed.
+
+dnslookup_relay_to_domains:
+  debug_print = "R: dnslookup_relay_to_domains for $local_part@$domain"
+  driver = dnslookup
+  domains = ! +local_domains : +relay_to_domains
+  transport = remote_smtp
+  same_domain_copy_routing = yes
+  no_more
+
+# deliver mail directly to the recipient. This router is only reached
+# for domains that we do not relay for. Since we most probably can't
+# have broken MX records pointing to site local or link local IP
+# addresses fixed, we ignore target hosts pointing to these addresses.
+
+dnslookup:
+  debug_print = "R: dnslookup for $local_part@$domain"
+  driver = dnslookup
+  domains = ! +local_domains
+  transport = remote_smtp
+  same_domain_copy_routing = yes
+  # ignore private rfc1918 and APIPA addresses
+  ignore_target_hosts = 0.0.0.0 : 127.0.0.0/8 : 192.168.0.0/16 :\
+                        172.16.0.0/12 : 10.0.0.0/8 : 169.254.0.0/16 :\
+                       255.255.255.255
+  no_more