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1996-05-09
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#
# Copyright (c) 1983 Eric P. Allman
# Copyright (c) 1988, 1993
# The Regents of the University of California. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# 3. All advertising materials mentioning features or use of this software
# must display the following acknowledgement:
# This product includes software developed by the University of
# California, Berkeley and its contributors.
# 4. Neither the name of the University nor the names of its contributors
# may be used to endorse or promote products derived from this software
# without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
######################################################################
######################################################################
#####
##### SENDMAIL CONFIGURATION FILE
#####
##### built by root@linux on Fri Jul 21 01:16:42 BST 1995
##### in /usr/src/sendmail/cf
#####
######################################################################
######################################################################
##### @(#)cf.m4 8.4 (Berkeley) 12/24/93 #####
##### @(#)linux.demon.cf 3.2 (linux.demon.co.uk) 06-May-96 #####
##### @(#)linux.m4 8.2 (Berkeley) 8/21/93 #####
##### @(#)always_add_domain.m4 8.1 (Berkeley) 6/7/93 #####
##### @(#)nocanonify.m4 8.1 (Berkeley) 6/7/93 #####
##### @(#)nouucp.m4 8.1 (Berkeley) 6/7/93 #####
##### @(#)proto.m4 8.45 (Berkeley) 3/4/94 #####
# level 5 config file format
V5
##################
# local info #
##################
Cwlocalhost
CP.
# "Smart" relay host (may be null)
DSsmtp:post.demon.co.uk
# who I send unqualified names to (null means deliver locally)
DR
# who gets all local email traffic ($R has precedence for unqualified names)
DH
# who I masquerade as (null for no masquerading)
DM
# class L: names that should be delivered locally, even if we have a relay
# class E: names that should be exposed as from this host, even if we masquerade
#CLroot
CEroot
# operators that cannot be in local usernames (i.e., network indicators)
CO @ %
# a class with just dot (for identifying canonical names)
C..
# dequoting map
Kdequote dequote
######################
# Special macros #
######################
# SMTP initial login message
De$j Sendmail $v/$Z ready at $b
# UNIX initial From header format
DlFrom $g $d
# my name for error messages
DnMAILER-DAEMON
# delimiter (operator) characters
Do.:%@!^/[]
# format of a total name
Dq$?x$x <$g>$|$g$.
# Configuration version number
DZv3.2
###############
# Options #
###############
# strip message body to 7 bits on input?
O7False
# wait (in minutes) for alias file rebuild
Oa10
# location of alias file
OA/etc/aliases
# minimum number of free blocks on filesystem
Ob4
# substitution for space (blank) characters
OB.
# avoid connecting to "expensive" mailers on initial submission?
OcFalse
# checkpoint queue runs after every N successful deliveries
OC10
# default delivery mode
Odbackground
# automatically rebuild the alias database?
ODFalse
# error message header/file
#OE/etc/sendmail.oE
# error mode
#Oep
# save Unix-style "From_" lines at top of header?
OfFalse
# temporary file mode
OF0600
# match recipients against GECOS field?
OGFalse
# default GID
Og1
# maximum hop count
Oh17
# location of help file
OH/usr/lib/sendmail.hf
# ignore dots as terminators in incoming messages?
OiFalse
# Insist that the BIND name server be running to resolve names
OI
# deliver MIME-encapsulated error messages?
OjFalse
# Forward file search path
#OJ/var/forward/$u:$z/.forward.$w:$z/.forward
# open connection cache size
Ok2
# open connection cache timeout
OK5m
# use Errors-To: header?
OlFalse
# log level
OL9
# send to me too, even in an alias expansion?
OmFalse
# verify RHS in newaliases?
OnTrue
# default messages to old style headers if no special punctuation?
OoTrue
# SMTP daemon options
#OOPort=esmtp
# privacy flags
Opauthwarnings
# who (if anyone) should get extra copies of error messages
#OPPostmaster
# slope of queue-only function
#Oq600000
# queue directory
OQ/var/spool/mqueue
# read timeout -- now OK per RFC 1123 section 5.3.2
#Ordatablock=10m
# queue up everything before forking?
OsTrue
# status file
OS/etc/sendmail.st
# default message timeout interval
OT5d/4h
# time zone handling:
# if undefined, use system default
# if defined but null, use TZ envariable passed in
# if defined and non-null, use that info
#Ot
# default UID
Ou1
# list of locations of user database file (null means no lookup)
OU
# fallback MX host
#OVfall.back.host.net
# if we are the best MX host for a site, try it directly instead of config err
OwFalse
# load average at which we just queue messages
Ox8
# load average at which we refuse connections
OX12
# work recipient factor
#Oy30000
# deliver each queued job in a separate process?
OYFalse
# work class factor
#Oz1800
# work time factor
#OZ90000
###########################
# Message precedences #
###########################
Pfirst-class=0
Pspecial-delivery=100
Plist=-30
Pbulk=-60
Pjunk=-100
#####################
# Trusted users #
#####################
Troot
Tdaemon
Tuucp
#########################
# Format of headers #
#########################
H?P?Return-Path: $g
HReceived: $?sfrom $s $.$?_($?s$|from $.$_) $.by $j ($v/$Z)$?r with $r$. id $i$?u for $u$.; $b
H?D?Resent-Date: $a
H?D?Date: $a
H?F?Resent-From: $q
H?F?From: $q
H?x?Full-Name: $x
HSubject:
# HPosted-Date: $a
# H?l?Received-Date: $b
H?M?Resent-Message-Id: <$t.$i@$j>
H?M?Message-Id: <$t.$i@$j>
#
######################################################################
######################################################################
#####
##### REWRITING RULES
#####
######################################################################
######################################################################
###########################################
### Rulset 3 -- Name Canonicalization ###
###########################################
S3
# handle null input (translate to <@> special case)
R$@ $@ <@>
# basic textual canonicalization -- note RFC733 heuristic here
R$*<$*>$*<$*>$* $2$3<$4>$5 strip multiple <> <>
R$*<$*<$+>$*>$* <$3>$5 2-level <> nesting
R$*<>$* $@ <@> MAIL FROM:<> case
R$*<$+>$* $2 basic RFC821/822 parsing
# handle list:; syntax as special case
R$*:;$* $@ $1 :; <@>
# make sure <@a,@b,@c:user@d> syntax is easy to parse -- undone later
R@ $+ , $+ @ $1 : $2 change all "," to ":"
# localize and dispose of route-based addresses
R@ $+ : $+ $@ $>96 < @$1 > : $2 handle <route-addr>
# find focus for list syntax
R $+ : $* ; @ $+ $@ $>96 $1 : $2 ; < @ $3 > list syntax
R $+ : $* ; $@ $1 : $2; list syntax
# find focus for @ syntax addresses
R$+ @ $+ $: $1 < @ $2 > focus on domain
R$+ < $+ @ $+ > $1 $2 < @ $3 > move gaze right
R$+ < @ $+ > $@ $>96 $1 < @ $2 > already canonical
# do some sanity checking
R$* < @ $* : $* > $* $1 < @ $2 $3 > $4 nix colons in addrs
# if we have % signs, take the rightmost one
R$* % $* $1 @ $2 First make them all @s.
R$* @ $* @ $* $1 % $2 @ $3 Undo all but the last.
R$* @ $* $@ $>96 $1 < @ $2 > Insert < > and finish
# else we must be a local name
################################################
### Ruleset 96 -- bottom half of ruleset 3 ###
################################################
# At this point, everything should be in a "local_part<@domain>extra" format.
S96
# handle special cases for local names
R$* < @ localhost > $* $: $1 < @ $j . > $2 no domain at all
R$* < @ localhost . $m > $* $: $1 < @ $j . > $2 local domain
R$* < @ [ $+ ] > $* $: $1 < @@ [ $2 ] > $3 mark [a.b.c.d]
R$* < @@ $=w > $* $: $1 < @ $j . > $3 self-literal
R$* < @@ $+ > $* $@ $1 < @ $2 > $3 canon IP addr
# local host aliases and pseudo-domains are always canonical
R$* < @ $=w > $* $: $1 < @ $2 . > $3
R$* < @ $* $=P > $* $: $1 < @ $2 $3 . > $4
R$* < @ $* . . > $* $1 < @ $2 . > $3
# if this is the local hostname, make sure we treat is as canonical
R$* < @ $j > $* $: $1 < @ $j . > $2
##################################################
### Ruleset 4 -- Final Output Post-rewriting ###
##################################################
S4
R$*<@> $@ $1 handle <> and list:;
# strip trailing dot off possibly canonical name
R$* < @ $+ . > $* $1 < @ $2 > $3
# externalize local domain info
R$* < $+ > $* $1 $2 $3 defocus
R@ $+ : @ $+ : $+ @ $1 , @ $2 : $3 <route-addr> canonical
R@ $* $@ @ $1 ... and exit
# delete duplicate local names
R$+ % $=w @ $=w $1 @ $j u%host@host => u@host
##############################################################
### Ruleset 97 -- recanonicalize and call ruleset zero ###
### (used for recursive calls) ###
##############################################################
S97
R$* $: $>3 $1
R$* $@ $>0 $1
######################################
### Ruleset 0 -- Parse Address ###
######################################
S0
R<@> $#local $: <> special case error msgs
R$* : $* ; $#error $@ USAGE $: "list:; syntax illegal for recipient addresses"
R<@ $+> $#error $@ USAGE $: "user address required"
R<$* : $* > $#error $@ USAGE $: "colon illegal in host name part"
# handle numeric address spec
R$* < @ [ $+ ] > $* $: $>98 $1 < @ [ $2 ] > $3 numeric internet spec
R$* < @ [ $+ ] > $* $#smtp $@ [$2] $: $1 < @ [$2] > $3 still numeric: send
# now delete the local info -- note $=O to find characters that cause forwarding
R$* < @ > $* $@ $>97 $1 user@ => user
R< @ $=w . > : $* $@ $>97 $2 @here:... -> ...
R$* $=O $* < @ $=w . > $@ $>97 $1 $2 $3 ...@here -> ...
# handle local hacks
R$* $: $>98 $1
# short circuit local delivery so forwarded email works
R$+ < @ $=w . > $: $1 < @ $2 . @ $H > first try hub
R$+ < $+ @ $+ > $#local $: $1 yep ....
R$+ < $+ @ > $#local $: @ $1 nope, local address
# resolve fake top level domains by forwarding to other hosts
# pass names that still have a host to a smarthost (if defined)
R$* < @ $* > $* $: $>95 < $S > $1 < @ $2 > $3 glue on smarthost name
# deal with other remote names
R$* < @$* > $* $#smtp $@ $2 $: $1 < @ $2 > $3 user@host.domain
# if this is quoted, strip the quotes and try again
R$+ $: $(dequote $1 $) strip quotes
R$+ $=O $+ $@ $>97 $1 $2 $3 try again
# handle locally delivered names
R$=L $#local $: @ $1 special local names
R$+ $#local $: $1 regular local names
###########################################################################
### Ruleset 5 -- special rewriting after aliases have been expanded ###
### (new sendmail only) ###
###########################################################################
S5
# see if we have a relay or a hub
R$+ $: < $R > $1 try relay
R< > $+ $: < $H > $1 try hub
R< > $+ $@ $1 nope, give up
R< $- : $+ > $+ $: $>95 < $1 : $2 > $3 < @ $2 >
R< $+ > $+ $@ $>95 < $1 > $2 < @ $1 >
###################################################################
### Ruleset 95 -- canonify mailer:host syntax to triple ###
###################################################################
S95
R< > $* $@ $1 strip off null relay
R< $- : $+ > $* $# $1 $@ $2 $: $3 try qualified mailer
R< $=w > $* $@ $2 delete local host
R< $+ > $* $#relay $@ $1 $: $2 use unqualified mailer
###################################################################
### Ruleset 98 -- local part of ruleset zero (can be null) ###
###################################################################
S98
#
######################################################################
######################################################################
#####
##### MAILER DEFINITIONS
#####
######################################################################
######################################################################
##################################################
### Local and Program Mailer specification ###
##################################################
##### @(#)local.m4 8.6 (Berkeley) 10/24/93 #####
Mlocal, P=/usr/bin/deliver, F=lsDFMShP, S=10, R=20/40,
A=deliver $u
Mprog, P=/bin/sh, F=lsDFMeu, S=10, R=20/40, D=$z:/,
A=sh -c $u
S10
R<@> $n errors to mailer-daemon
R$+ $: $>40 $1
S20
R$+ < @ $* > $: $1 strip host part
S40
R$* < @ $* > $* $@ $1 < @ $2 > $3 already fully qualified
R$* $: $1 @ $M add local qualification
R$* @ $: $1 @ $j if $M not defined
#####################################
### SMTP Mailer specification ###
#####################################
##### @(#)smtp.m4 8.15 (Berkeley) 2/14/94 #####
Msmtp, P=[IPC], F=mDFMuX, S=11/31, R=21, E=\r\n,
L=990, A=IPC $h
Mesmtp, P=[IPC], F=mDFMuXa, S=11/31, R=21, E=\r\n,
L=990, A=IPC $h
Mrelay, P=[IPC], F=mDFMuXa, S=11/31, R=61, E=\r\n,
L=2040, A=IPC $h
#
# envelope sender and masquerading recipient rewriting
#
S11
R$+ $: $>51 $1 sender/recipient common
R$* :; <@> $@ $1 :; list:; special case
R$* $@ $>61 $1 qualify unqual'ed names
#
# header recipient rewriting if not masquerading recipients
#
S21
# do sender/recipient common rewriting
R$+ $: $>51 $1
# unqualified names (e.g., "eric") are qualified by local host
R$* < @ $* > $* $@ $1 < @ $2 > $3 already qualified
R$+ $: $1 < @ $j > add local domain
#
# header sender and masquerading recipient rewriting
#
S31
R$+ $: $>51 $1 sender/recipient common
R$* :; <@> $@ $1 :; list:; special case
# do special header rewriting
R$* <@> $* $@ $1 <@> $2 pass null host through
R< @ $* > $* $@ < @ $1 > $2 pass route-addr through
R$=E < @ $=w . > $@ $1 < @ $2 > exposed user as is
R$* < @ $=w . > $: $1 < @ $2 @ $M > masquerade as domain
R$* < @ $+ @ > $@ $1 < @ $2 > in case $M undefined
R$* < @ $+ @ $+ > $@ $1 < @ $3 > $M is defined -- use it
R$* $@ $>61 $1 qualify unqual'ed names
#
# convert pseudo-domain addresses to real domain addresses
#
S51
# pass <route-addr>s through
R< @ $+ > $* $@ < @ $1 > $2 resolve <route-addr>
# output fake domains as user%fake@relay
#
# common sender and masquerading recipient rewriting
#
S61
R$* < @ $* > $* $@ $1 < @ $2 > $3 already qualified
R$=E $@ $1 < @ $j> show exposed names
R$+ $: $1 < @ $M > user w/o host
R$+ <@> $: $1 < @ $j > in case $M undefined