chiark / gitweb /
user-spam.m4: Fix indentation in the output.
[exim-config] / exchange.m4
index b0dab45cc9393b4bd91f3a2874ccc94c3c8d23b2..b4cb02ba22827efd407ecda0847d087c84aa22d5 100644 (file)
@@ -52,16 +52,35 @@ mail_client_addr:
                           {${if match_domain {$sender_address_domain} \
                                              {+public} \
                                 {+allnets}{! +allnets}}})}
-                add_header = :after_received:X-Distorted-Warning: \
-                       RCLNTLSNDR \
-                       Apparently local sender, but received from remote \
-                       server.\n\t\
-                       sender=$sender_address \
-                       host=$sender_host_address
+                 WARNING_HEADER(RCLNTLSNDR,
+                                <:Apparently local sender, but received from remote \
+                                  server.\n\t\
+                                  sender=$sender_address \
+                                  host=$sender_host_address:>)
 
        ## OK.
        accept
 
+DIVERT(null)
+###--------------------------------------------------------------------------
+### Rename locally-meaningful headers in mail from outside.
+
+m4_define(<:DISTORTED_HEADERS:>,
+<:X-CONF_header_token-SpamAssassin-Score,
+X-CONF_header_token-SpamAssassin-Status:>)
+
+SECTION(acl, data)m4_dnl
+       ## If this message is coming from outside then rename headers which
+       ## look like the ones we're likely to add.  This is most relevant for
+       ## our spam-report headers, because I'm not sure I understand why
+       ## someone would want to fake an X-Distorted-Warning header.
+       warn    !condition = ${if eq{$acl_c_mode}{submission}}
+               !hosts = +allnets
+                set acl_m_hdradd = ${if def:acl_m_hdradd{$acl_m_hdradd}}\
+                       RENAME_HEADERS_ADD(<:DISTORTED_HEADERS:>)
+                set acl_m_hdrrm = ${if def:acl_m_hdrrm{$acl_m_hdrrm:}}\
+                       RENAME_HEADERS_REMOVE(<:DISTORTED_HEADERS:>)
+
 DIVERT(null)
 ###--------------------------------------------------------------------------
 ### The obvious trivial router.
@@ -70,7 +89,12 @@ SECTION(routers, remote)m4_dnl
 ## Send mail on to a host in our own network.  We must apply extra security.
 local:
        driver = dnslookup
-       domains = ! +known : *.CONF_master_domain
+       domains = ${if bool {${LOOKUP_DOMAIN($domain,
+                              {KV(service, {$value}{true})},
+                              {false})}} \
+                      {}{ ! +public : \
+                          CONF_master_domain : \
+                          *.CONF_master_domain }}
        self = fail
        transport = smtp_local
        no_more
@@ -78,7 +102,10 @@ local:
 ## Send mail on to unknown hosts.
 remote:
        driver = dnslookup
-       domains = ! +known
+       domains = ${if bool {${LOOKUP_DOMAIN($domain,
+                              {KV(service, {$value}{true})},
+                              {false})}} \
+                      {}{ ! +public }}
        self = fail
        transport = smtp
        no_more