4.4BSD/etc/sendmail.cf

#
# Copyright (c) 1983 Eric P. Allman
# Copyright (c) 1988 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.
#
#	@(#)cf.m4	2.14 (Berkeley) 12/17/91
#


######################################################################
######################################################################
#####
#####		SENDMAIL CONFIGURATION FILE
#####
##### built by eric on Mon Mar 9 11:06:15 PST 1992
##### in /a/guest/eric/cf/cf on vangogh.CS.Berkeley.EDU
#####
######################################################################
######################################################################


#####  @(#)chez.mc	2.4 (Berkeley) 3/9/92  #####


#####  @(#)cs.exposed.m4	2.12 (Berkeley) 12/20/91  #####

#####  @(#)Berkeley.m4	2.3 (Berkeley) 12/17/91  #####



#####  @(#)cssubdomain.m4	2.3 (Berkeley) 10/3/91  #####


Fw/etc/sendmail.cw


#####  @(#)proto.m4	2.24 (Berkeley) 2/24/92  #####


# level 3 config file format
V3

##################
#   local info   #
##################

Cwlocalhost

# UUCP relay host
DYucbvax.Berkeley.EDU
#  BITNET relay host
DBjade.Berkeley.EDU
# CSNET relay host
DCRelay.Prime.COM
# my official hostname ($w or $w.$D)
Dj$w

# who I masquerade as (can be $j)
DMCS.Berkeley.EDU

# who I send unqualified names to (null means deliver locally)
DRvangogh.CS.Berkeley.EDU

# names that should be delivered locally, even if we have a relay
CLroot


# operators that cannot be in local usernames (i.e., network indicators)
CO @ % !

# a class with just dot (for identifying canonical names)
C..

# list of locations of user database file (null means no lookup)
OU/usr/sww/share/lib/users.cs.db

# set if we can guarantee no wildcard MX records matching our domain
OwTrue


######################
#   Version Number   #
######################

DZ2.6



######################################################################
######################################################################
#####
#####			CONFIGURATION BOILERPLATE
#####
######################################################################
######################################################################

#####  @(#)boilerplate.m4	2.7 (Berkeley) 1/5/92  #####

######################
#   Special macros   #
######################

# my name
DnMAILER-DAEMON
# UNIX header format
DlFrom $?<$<$|$g$.  $d
# delimiter (operator) characters
Do.:%@!^=/[]
# format of a total name
Dq$g$?x ($x)$.
# SMTP login message
De$j Sendmail $v/$Z ready at $b

###############
#   Options   #
###############

# (don't) preserve 8 bits on message body on input
O8False

# wait up to ten minutes for alias file rebuild
Oa10

# location of alias file
OA/etc/aliases

# substitution for space (blank) characters
OB.

# (don't) connect to "expensive" mailers
OcFalse

# checkpoint queue runs after every 10 successful deliveries
OC10

# default delivery mode (deliver in background)
Odbackground

# (don't) automatically rebuild the alias database
ODFalse

# discard Unix-style "From_" lines at top of header
OfFalse

# temporary file mode
OF0600

# default GID
Og1

# maximum hop count
Oh17

# location of help file
OH/usr/share/misc/sendmail.hf

# (don't) ignore dots as terminators in incoming messages
OiFalse

# Insist that the BIND name server be running to resolve names
OITrue

# log level
OL9

# (don't) send to me too, even in an alias expansion
OmFalse

# default messages to old style
OoTrue

# queue directory
OQ/var/spool/mqueue

# read timeout -- violates protocols
Or2h

# queue up everything before starting transmission
OsTrue

# status file
OS/var/log/sendmail.st

# default timeout interval
OT3d

# time zone names (System V only)
OtPST8PDT

# default UID
Ou1

# load average at which we just queue messages
Ox8

# load average at which we refuse connections
OX12

# (don't) deliver each queued job in a separate process
OYFalse

###########################
#   Message precedences   #
###########################

Pfirst-class=0
Pspecial-delivery=100
Pbulk=-60
Pjunk=-100

#####################
#   Trusted users   #
#####################

Troot
Tdaemon
Tuucp

#########################
#   Format of headers   #
#########################

H?P?Return-Path: <$?<$<$|$g$.>
HReceived: $?sfrom $s $.by $j ($v/$Z)
	id $i; $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 "from:<>" special case
R$*<>$*			$@@				turn into magic token

# basic textual canonicalization -- note RFC733 heuristic here
R$*<$*<$*<$+>$*>$*>$*	$4				3-level <> nesting
R$*<$*<$+>$*>$*		$3				2-level <> nesting
R$*<$+>$*		$2				basic RFC821/822 parsing

# 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@$+:$+			$@$>6<@$1>:$2			handle <route-addr>

# find focus for list syntax
R$+:$*;@$+		$@$>6$1:$2;<@$3>		list syntax
R$+:$*;			$@$1:$2;			list syntax

# find focus for @ syntax addresses
R$+@$+			$:$1<@$2>			focus on domain
R$+<$+@$+>		$1$2<@$3>			move gaze right
R$+<@$+>		$@$>6$1<@$2>			already canonical

# convert old-style addresses to a domain-based address
R$-!$+			$@$>6$2<@$1.UUCP>		resolve uucp names
R$+.$-!$+		$@$>6$3<@$1.$2>			domain uucps
R$+!$+			$@$>6$2<@$1.UUCP>		uucp subdomains

# if we have % signs, take the rightmost one
R$*%$*			$1@$2				First make them all @s.
R$*@$*@$*		$1%$2@$3			Undo all but the last.
R$*@$*			$@$>6$1<@$2>			Insert < > and finish

# else we must be a local name


###############################################
###  Ruleset 6 -- bottom half of ruleset 3  ###
###############################################

#  At this point, everything should be in a local_part@domain format.

S6

# handle special cases for local names
R$* < @ $=w > $*		$: $1 < @ $j . > $3		no domain at all
R$* < @ $=w .UUCP> $*		$: $1 < @ $j . > $3		.UUCP domain

# find possible (old & new) versions of our name via short circuit hack
# (this code should exist ONLY during the transition from .Berkeley.EDU
#  names to .CS.Berkeley.EDU names -- probably not more than a few months)
R$* < @ $=w .CS.Berkeley.EDU > $*	$: $1 < @ $j > $3
R$* < @ $=w .Berkeley.EDU> $*		$: $1 < @ $j > $3

# pass UUCP addresses straight through
R$* < @ $+ . UUCP > $*		$@ $1 < @ $2 .UUCP > $3

# pass to name server to make hostname canonical
R$* < @ $* $~. > $*		$: $1 < @ $[ $2 $3 $] > $4

# handle possible alternate names
R$* < @ $=w . $m . > $*		$: $1 < @ $j . > $3
R$* < @ $=w . $m > $*		$: $1 < @ $j . > $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@			$@				handle <> error addr

# resolve numeric addresses to name if possible
R$* < @ [ $+ ] > $*	$: $1 < @ $[ [$2] $] > $3	lookup numeric internet addr

# 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

# UUCP must always be presented in old form
R$+ @ $- . UUCP		$2!$1				u@h.UUCP => h!u

# delete duplicate local names
R$+ % $=w @ $=w		$1 @ $j				u%host@host => u@host



#############################################################
###   Ruleset 7 -- recanonicalize and call ruleset zero   ###
###		   (used for recursive calls)		  ###
#############################################################

S7
R$*			$: $>3 $1
R$*			$@ $>0 $1


######################################
###   Ruleset 0 -- Parse Address   ###
######################################

S0

# handle numeric address spec
R$* < @ [ $+ ] > $*	$: $1 < @ $[ [$2] $] > $3	numeric internet addr
R$* < @ [ $+ ] > $*	$#smtp $@ [$2] $: $1 @ [$2] $3	numeric internet spec

#R@			$#error$:Invalid address	handle <> form

# now delete the local info -- note $=O to find characters that cause forwarding
R< @ $j . > : $*	$@ $>7 $1			@here:... -> ...
R$* $=O $* < @ $j . >	$@ $>7 $1 $2 $3			...@here -> ...

# short circuit local delivery so forwarded email works
R$+ < @ $j . >		$#local $: @ $1			local address

# resolve remotely connected UUCP links

# resolve fake top level domains by forwarding to other hosts
R$*<@$+.BITNET>$*	$#smtp $@ $B $: $1 <@$2.BITNET> $3	user@host.BITNET
R$*<@$+.CSNET>$*	$#smtp $@ $C $: $1 <@$2.CSNET> $3	user@host.CSNET

# forward non-local UUCP traffic to our UUCP relay
R$*<@$*.UUCP>$*		$#smtp $@ $Y $: <@ $Y> : $1 @ $2.UUCP $3	uucp mail

# deal with other remote names
R$* < @ $* > $*		$#smtp $@ $2 $: $1 < @ $2 > $3		user@host.domain

# handle locally delivered names
R$=L			$#local $: @ $1			special local names
R$+			$#local $: $1			regular local names

#
# special rewriting after aliases have been expanded
#

S5

R$+			$: $1 < @ $R >
R$+ < @ $+ >		$#smtp $@ $2 $: $1 < @ $2 >	send to relay
#
######################################################################
######################################################################
#####
#####			MAILER DEFINITIONS
#####
######################################################################
######################################################################


##################################################
###   Local and Program Mailer specification   ###
##################################################

#####  @(#)local.m4	2.3 (Berkeley) 12/12/91  #####

Mlocal,	P=/usr/libexec/mail.local, F=lsDFMmrn, S=10, R=20, A=mail -d $u
Mprog,	P=/bin/sh,   F=lsDFMe,   S=10, R=20, A=sh -c $u

S10
R@			$n			errors to mailer-daemon

#####################################
###   SMTP Mailer specification   ###
#####################################

#####  @(#)smtp.m4	2.5 (Berkeley) 11/19/91  #####

Msmtp,	P=[IPC], F=mDFMueXLC, S=11, R=21, A=IPC $h, E=\r\n

S11

# do sender/recipient common rewriting
R$+			$: $>19 $1

# if already @ qualified, we are done
R$* < @ $+ > $*		$@ $1 < @ $2 > $3		already qualified

# unqualified names (e.g., "eric") "come from" $M
R$+			$: $1 < @ $M >			user w/o host
R$+ < @ >		$: $1 < @ $j >			in case $M undefined

S21

# do sender/recipient common rewriting
R$+			$: $>19 $1

# if already @ qualified, we are done
R$* < @ $+ > $*		$@ $1 < @ $2 > $3		already qualified

# unqualified names (e.g., "eric") are qualified by local host
R$+			$: $1 < @ $j >

S19

# pass <route-addr>s through
R< @ $+ > $*		$@ < @ $1 > $2			resolve <route-addr>

# output fake domains as user%fake@relay
R$+ <@ $+ . BITNET >	$: $1 % $2 .BITNET < @ $B >	user@host.BITNET
R$+ <@ $+ . CSNET >	$: $1 % $2 .CSNET < @ $C >	user@host.CSNET
R$+ <@ $+ . UUCP >	$: $2 ! $1 < @ $j >		user@host.UUCP