mdw@git.distorted.org.uk Git - exim-config/blob - local.m4

   1 ### -*-m4-*-
   2 ###
   3 ### Local senders and recipients for distorted.org.uk Exim configuration
   4 ###
   5 ### (c) 2012 Mark Wooding
   6 ###
   7
   8 ###----- Licensing notice ---------------------------------------------------
   9 ###
  10 ### This program is free software; you can redistribute it and/or modify
  11 ### it under the terms of the GNU General Public License as published by
  12 ### the Free Software Foundation; either version 2 of the License, or
  13 ### (at your option) any later version.
  14 ###
  15 ### This program is distributed in the hope that it will be useful,
  16 ### but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 ### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 ### GNU General Public License for more details.
  19 ###
  20 ### You should have received a copy of the GNU General Public License
  21 ### along with this program; if not, write to the Free Software Foundation,
  22 ### Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  23
  24 m4_define(<:FILTER_LOCALUSER:>,
  25         <:FILTER_BASE
  26         check_local_user
  27         ignore_enotdir
  28         sieve_useraddress = $local_part
  29         sieve_subaddress = CONF_user_extaddr_fixup
  30         sieve_vacation_directory = CONF_userconf_dir/vacation
  31         condition = ${if exists {<:$1:>}}
  32         file = <:$1:>:>)
  33
  34 ###--------------------------------------------------------------------------
  35 ### Be flexible about originator addresses, as long as they probably work.
  36
  37 SECTION(global, priv)m4_dnl
  38 local_from_suffix = CONF_user_suffix_list
  39
  40 SECTION(global, process)m4_dnl
  41 ## Restrict users to plausible envelope sender addresses.  This is
  42 ## surprisingly fiddly.  What I actually want to say is that the local part
  43 ## must match ^$sender_ident(\$|-) and the domain part must match an
  44 ## appropriate domain; but writing a conjunction is rather tricky.  And so we
  45 ## must burn some addresslist variables.
  46 addresslist wrong_local = ! +user_extaddr
  47 addresslist wrong_domain = ! *@+public
  48 addresslist wrong_address = +wrong_local : +wrong_domain
  49 untrusted_set_sender = : \
  50         ${if exists {CONF_sysconf_dir/auth-sender.conf} \
  51              {${lookup {$sender_ident} \
  52                        lsearch {CONF_sysconf_dir/auth-sender.conf} \
  53                        {$value}}}} : \
  54         ${LOOKUP_DOMAIN($sender_address_domain,
  55                 {${if and {{match_local_part {$sender_ident} {+dom_users}} \
  56                            {match_local_part {$sender_address_local_part} \
  57                                              {+dom_locals}}} \
  58                       {*}}})} : \
  59         ! +wrong_address
  60
  61 ###--------------------------------------------------------------------------
  62 ### Forwarding and redirection for incoming mail.
  63
  64 SECTION(routers, alias)m4_dnl
  65 ## Look up the local part in the address map.
  66 alias:
  67         driver = redirect
  68         allow_fail = true
  69         allow_defer = true
  70         user = CONF_filter_user
  71         FILTER_TRANSPORTS
  72         local_parts = nwildlsearch; CONF_alias_file
  73         data = ${expand:$local_part_data}
  74
  75 SECTION(routers, real)m4_dnl
  76 ## A special hack to get mail to a user who has a forward file.  Only for
  77 ## special effects.
  78 real:
  79         driver = accept
  80         check_local_user
  81         local_part_prefix = real-
  82         transport = deliver
  83         condition = ${if match_ip {$sender_host_address} \
  84                                   {<; ; 127.0.0.1 ; ::1}}
  85
  86 SECTION(routers, forward)m4_dnl
  87 ## Handle user forward files.  Each user is granted an arbitrary number of
  88 ## additional mailboxes named USER-SUFFIX.  Such addresses are handled by a
  89 ## filter file `~/.mail/forward.suffix' in the USER's home directory.  The
  90 ## filter may reject the incoming message (which is reported as an SMTP
  91 ## rejection if possible).  Mail sent directly to the user is handled through
  92 ## `~/.mail/forward', or `~/.forward', or if neither of those exists, by
  93 ## writing the message to `/var/mail/USER'.
  94 FILTER_ROUTER(filter_suffix,
  95         <:FILTER_LOCALUSER(CONF_userconf_dir/forward.suffix)
  96         local_part_suffix = CONF_user_suffix_list:>)
  97 FILTER_ROUTER(filter,
  98         <:FILTER_LOCALUSER(CONF_userconf_dir/forward):>)
  99 FILTER_ROUTER(dot_forward,
 100         <:FILTER_LOCALUSER($home/.forward):>)
 101
 102 SECTION(routers, deliver)m4_dnl
 103 ## Deliver mail to a user, in the absence of any other instructions.
 104 deliver:
 105         driver = accept
 106         check_local_user
 107         transport = deliver
 108         cannot_route_message = Unknown local part
 109
 110 DIVERT(null)
 111 ###----- That's all, folks --------------------------------------------------