FreeBSD Mail Archives

Date:      Wed, 21 Oct 1998 21:52:22 -0500
From:      "David L. Vondrasek" <dallas.tx@airmail.net>
To:        Pat Lynch <lynch@rush.net>
Cc:        Jim Mock <jim@phrantic.phear.net>, freebsd-questions@FreeBSD.ORG
Subject:   Re: Third Party SMTP relay
Message-ID:  <m0zWAtv-00091vF@mail.airmail.net>
In-Reply-To: <Pine.BSF.4.05.9810212248010.3253-100000@bytor.rush.net>
References:  <m0zW9OQ-00093WF@mail.airmail.net>

At 10:48 PM 10/21/98 -0400, Pat Lynch wrote:
>-----BEGIN PGP SIGNED MESSAGE-----
>
>he probably did not change his sendmail.cf file.

Correct, he didn't. he was told it didn't relay by DEFAULT. Some asked for
his .cf file and here it is. complete.

#
# Copyright (c) 1983, 1995 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 jkh@time.cdrom.com on Wed Mar 25 01:37:09 GMT 1998
##### in /usr/src/usr.sbin/sendmail/cf/cf
##### using ../ as configuration include directory
#####
######################################################################
######################################################################

#####  @(#)cfhead.m4	8.9 (Berkeley) 1/18/97  #####
#####  @(#)cf.m4	8.24 (Berkeley) 8/16/95  #####
#####  @(#)freebsd.mc	$Revision: 1.1.4.4 $  #####

#####  @(#)bsd4.4.m4	8.4 (Berkeley) 11/13/95  #####

#####  @(#)generic.m4	8.3 (Berkeley) 3/24/96  #####

#####  @(#)redirect.m4	8.5 (Berkeley) 8/17/96  #####

#####  @(#)use_cw_file.m4	8.1 (Berkeley) 6/7/93  #####


#####  @(#)mailertable.m4	8.3 (Berkeley) 8/7/93  #####


#####  @(#)proto.m4	8.151 (Berkeley) 7/31/97  #####


# level 7 config file format
V7/Berkeley

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

Cwlocalhost
# file containing names of hosts for which we receive email
Fw-o /etc/sendmail.cw

# my official domain name
# ... define this only if sendmail cannot automatically determine your domain
#Dj$w.Foo.COM


CP.

# UUCP relay host
DYucbvax.Berkeley.EDU
CPUUCP

#  BITNET relay host
DBmailhost.Berkeley.EDU
CPBITNET

# "Smart" relay host (may be null)
DS

# place to which unknown users should be forwarded
#Kuser user -m -a<>
#DLname_of_luser_relay

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

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

# a class with just a left bracket (for identifying domain literals)
C[[

# Mailer table (overriding domains)
Kmailertable hash -o /etc/mailertable

# Domain table (adding domains)
#Kdomaintable dbm /etc/domaintable

# Generics table (mapping outgoing addresses)
#Kgenerics dbm /etc/genericstable

# Virtual user table (maps incoming users)
#Kvirtuser dbm /etc/virtusertable

# who I send unqualified names to (null means deliver locally)
DR

# who gets all local email traffic ($R has precedence for unqualified names)
DH

# dequoting map
Kdequote dequote

# class E: names that should be exposed as from this host, even if we
masquerade
# class L: names that should be delivered locally, even if we have a relay
# class M: domains that should be converted to $M
#CL root
CE root

# who I masquerade as (null for no masquerading) (see also $=M)
DM

# my name for error messages
DnMAILER-DAEMON


CPREDIRECT

# Configuration version number
DZ8.8.8

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

# strip message body to 7 bits on input?
O SevenBitInput=False

# 8-bit data handling
O EightBitMode=pass8


# wait for alias file rebuild (default units: minutes)
O AliasWait=10

# location of alias file
O AliasFile=/etc/aliases

# minimum number of free blocks on filesystem
O MinFreeBlocks=100

# maximum message size
#O MaxMessageSize=1000000

# substitution for space (blank) characters
O BlankSub=.

# avoid connecting to "expensive" mailers on initial submission?
O HoldExpensive=False

# checkpoint queue runs after every N successful deliveries
#O CheckpointInterval=10

# default delivery mode
O DeliveryMode=background

# automatically rebuild the alias database?
O AutoRebuildAliases

# error message header/file
#O ErrorHeader=/etc/sendmail.oE

# error mode
#O ErrorMode=print

# save Unix-style "From_" lines at top of header?
#O SaveFromLine

# temporary file mode
O TempFileMode=0600

# match recipients against GECOS field?
#O MatchGECOS

# maximum hop count
#O MaxHopCount=17

# location of help file
O HelpFile=/usr/share/misc/sendmail.hf

# ignore dots as terminators in incoming messages?
#O IgnoreDots

# name resolver options
#O ResolverOptions=+AAONLY

# deliver MIME-encapsulated error messages?
O SendMimeErrors=True

# Forward file search path
O ForwardPath=$z/.forward.$w:$z/.forward

# open connection cache size
O ConnectionCacheSize=2

# open connection cache timeout
O ConnectionCacheTimeout=5m

# persistent host status directory
#O HostStatusDirectory=.hoststat

# single thread deliveries (requires HostStatusDirectory)?
#O SingleThreadDelivery

# use Errors-To: header?
O UseErrorsTo=False

# log level
O LogLevel=9

# send to me too, even in an alias expansion?
#O MeToo

# verify RHS in newaliases?
O CheckAliases=False

# default messages to old style headers if no special punctuation?
O OldStyleHeaders=True

# SMTP daemon options
#O DaemonPortOptions=Port=esmtp

# privacy flags
O PrivacyOptions=authwarnings

# who (if anyone) should get extra copies of error messages
#O PostMasterCopy=Postmaster

# slope of queue-only function
#O QueueFactor=600000

# queue directory
O QueueDirectory=/var/spool/mqueue

# timeouts (many of these)
#O Timeout.initial=5m
#O Timeout.connect=5m
#O Timeout.iconnect=5m
#O Timeout.helo=5m
#O Timeout.mail=10m
#O Timeout.rcpt=1h
#O Timeout.datainit=5m
#O Timeout.datablock=1h
#O Timeout.datafinal=1h
#O Timeout.rset=5m
#O Timeout.quit=2m
#O Timeout.misc=2m
#O Timeout.command=1h
#O Timeout.ident=30s
#O Timeout.fileopen=60s
O Timeout.queuereturn=2d
#O Timeout.queuereturn.normal=2d
#O Timeout.queuereturn.urgent=2d
#O Timeout.queuereturn.non-urgent=2d
O Timeout.queuewarn=2h
#O Timeout.queuewarn.normal=2h
#O Timeout.queuewarn.urgent=1h
#O Timeout.queuewarn.non-urgent=2h
#O Timeout.hoststatus=30m

# should we not prune routes in route-addr syntax addresses?
#O DontPruneRoutes

# queue up everything before forking?
O SuperSafe=True

# status file
O StatusFile=/var/log/sendmail.st

# 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
#O TimeZoneSpec=

# default UID (can be username or userid:groupid)
O DefaultUser=1:1

# list of locations of user database file (null means no lookup)
#O UserDatabaseSpec=/etc/userdb

# fallback MX host
#O FallbackMXhost=fall.back.host.net

# if we are the best MX host for a site, try it directly instead of config err
#O TryNullMXList

# load average at which we just queue messages
#O QueueLA=8

# load average at which we refuse connections
#O RefuseLA=12

# maximum number of children we allow at one time
#O MaxDaemonChildren=12

# maximum number of new connections per second
#O ConnectionRateThrottle=3

# work recipient factor
#O RecipientFactor=30000

# deliver each queued job in a separate process?
#O ForkEachJob

# work class factor
#O ClassFactor=1800

# work time factor
#O RetryFactor=90000

# shall we sort the queue by hostname first?
#O QueueSortOrder=priority

# minimum time in queue before retry
#O MinQueueAge=30m

# default character set
#O DefaultCharSet=iso-8859-1

# service switch file (ignored on Solaris, Ultrix, OSF/1, others)
#O ServiceSwitchFile=/etc/service.switch

# hosts file (normally /etc/hosts)
#O HostsFile=/etc/hosts

# dialup line delay on connection failure
#O DialDelay=10s

# action to take if there are no recipients in the message
#O NoRecipientAction=add-to-undisclosed

# chrooted environment for writing to files
#O SafeFileEnvironment=/arch

# are colons OK in addresses?
#O ColonOkInAddr

# how many jobs can you process in the queue?
#O MaxQueueRunSize=10000

# shall I avoid expanding CNAMEs (violates protocols)?
#O DontExpandCnames

# SMTP initial login message (old $e macro)
O SmtpGreetingMessage=$j Sendmail $v/$Z; $b

# UNIX initial From header format (old $l macro)
O UnixFromLine=From $g  $d

# delimiter (operator) characters (old $o macro)
O OperatorChars=.:%@!^/[]+

# shall I avoid calling initgroups(3) because of high NIS costs?
#O DontInitGroups

# are group-writable :include: and .forward files (un)trustworthy?
#O UnsafeGroupWrites

# where do errors that occur when sending errors get sent?
#O DoubleBounceAddress

# what user id do we assume for the majority of the processing?
#O RunAsUser=sendmail

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

Pfirst-class=0
Pspecial-delivery=100
Plist=-30
Pbulk=-60
Pjunk=-100

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

# this is equivalent to setting class "t"
#Ft/etc/sendmail.ct
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$?g
	(envelope-from $g)$.
H?D?Resent-Date: $a

H?D?Date: $a
H?F?Resent-From: $?x$x <$g>$|$g$.
H?F?From: $?x$x <$g>$|$g$.
H?x?Full-Name: $x
# 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
#####
######################################################################
######################################################################

############################################
###  Ruleset 3 -- Name Canonicalization  ###
############################################
S3

# handle null input (translate to <@> special case)
R$@			$@ <@>

# strip group: syntax (not inside angle brackets!) and trailing semicolon
R$*			$: $1 <@>			mark addresses
R$* < $* > $* <@>	$: $1 < $2 > $3			unmark <addr>
R@ $* <@>		$: @ $1				unmark @host:...
R$* :: $* <@>		$: $1 :: $2			unmark node::addr
R:include: $* <@>	$: :include: $1			unmark :include:...
R$* [ $* : $* ] <@>	$: $1 [ $2 : $3 ]		unmark IPv6 addrs
R$* : $* [ $* ]		$: $1 : $2 [ $3 ] <@>		remark if leading colon
R$* : $* <@>		$: $2				strip colon if marked
R$* <@>			$: $1				unmark
R$* ;			   $1				strip trailing semi
R$* < $* ; >		   $1 < $2 >			bogus bracketed semi

# null input now results from list:; syntax
R$@			$@ :; <@>

# strip angle brackets -- note RFC733 heuristic to get innermost item
R$*			$: < $1 >			housekeeping <>
R$+ < $* >		   < $2 >			strip excess on left
R< $* > $+		   < $1 >			strip excess on right
R<>			$@ < @ >			MAIL FROM:<> case
R< $+ >			$: $1				remove housekeeping <>

# 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

# convert old-style addresses to a domain-based address
R$- ! $+		$@ $>96 $2 < @ $1 .UUCP >	resolve uucp names
R$+ . $- ! $+		$@ $>96 $3 < @ $1 . $2 >		domain uucps
R$+ ! $+		$@ $>96 $2 < @ $1 .UUCP >	uucp subdomains

# if we have % signs, take the rightmost one
R$* % $*		$1 @ $2				First make them all @s.
R$* @ $* @ $*		$1 % $2 @ $3			Undo all but the last.
R$* @ $*		$@ $>96 $1 < @ $2 >		Insert < > and finish

# else we must be a local name
R$*			$@ $>96 $1


################################################
###  Ruleset 96 -- bottom half of ruleset 3  ###
################################################

S96

# handle special cases for local names
R$* < @ localhost > $*		$: $1 < @ $j . > $2		no domain at all
R$* < @ localhost . $m > $*	$: $1 < @ $j . > $2		local domain
R$* < @ localhost . UUCP > $*	$: $1 < @ $j . > $2		.UUCP domain
R$* < @ [ $+ ] > $*		$: $1 < @@ [ $2 ] > $3		mark [a.b.c.d]
R$* < @@ $=w > $*		$: $1 < @ $j . > $3		self-literal
R$* < @@ $+ > $*		$@ $1 < @ $2 > $3		canon IP addr

# look up domains in the domain table
#R$* < @ $+ > $* 		$: $1 < @ $(domaintable $2 $) > $3


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

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

# local host aliases and pseudo-domains are always canonical
R$* < @ $=w > $*		$: $1 < @ $2 . > $3
R$* < @ $j > $*			$: $1 < @ $j . > $2
R$* < @ $=M > $*		$: $1 < @ $2 . > $3
R$* < @ $* $=P > $*		$: $1 < @ $2 $3 . > $4
R$* < @ $* . . > $*		$1 < @ $2 . > $3


##################################################
###  Ruleset 4 -- Final Output Post-rewriting  ###
##################################################
S4

R$* <@>			$@				handle <> and list:;

# strip trailing dot off possibly canonical name
R$* < @ $+ . > $*	$1 < @ $2 > $3

# eliminate internal code -- should never get this far!
R$* < @ *LOCAL* > $*	$1 < @ $j > $2

# 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 @ $2				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$*			$: $>Parse0 $1		initial parsing
R$*			$: $>98 $1		handle local hacks
R$*			$: $>Parse1 $1		final parsing

SParse0
R<@>			$#local $: <@>		special case error msgs
R$* : $* ; <@>		$#error $@ 5.1.3 $: "list:; syntax illegal for recipient
addresses"
R<@ $+>			$#error $@ 5.1.1 $: "user address required"
R$*			$: <> $1
R<> $* < @ [ $+ ] > $*	$1 < @ [ $2 ] > $3
R<> $* <$* : $* > $*	$#error $@ 5.1.1 $: "colon illegal in host name part"
R<> $*			$1
R$* < @ . $* > $*	$#error $@ 5.1.2 $: "invalid host name"
R$* < @ $* .. $* > $*	$#error $@ 5.1.2 $: "invalid host name"

# handle numeric address spec
R$* < @ [ $+ ] > $*	$: $>98 $1 < @ [ $2 ] > $3	numeric internet spec
R$* < @ [ $+ ] > $*	$#esmtp $@ [$2] $: $1 < @ [$2] > $3	still numeric: send

# now delete the local info -- note $=O to find characters that cause
forwarding
R$* < @ > $*		$@ $>Parse0 $>3 $1		user@ => user
R< @ $=w . > : $*	$@ $>Parse0 $>3 $2		@here:... -> ...
R$- < @ $=w . >		$: $(dequote $1 $) < @ $2 . >	dequote "foo"@here
R< @ $+ >		$#error $@ 5.1.1 $: "user address required"
R$* $=O $* < @ $=w . >	$@ $>Parse0 $>3 $1 $2 $3	...@here -> ...

SParse1
# handle virtual users
#R$+ < @ $=w . > 	$: < $(virtuser $1 @ $2 $@ $1 $: @ $) > $1 < @ $2 . >
#R<@> $+ + $* < @ $* . >
			$: < $(virtuser $1 + * @ $3 $@ $1 $: @ $) > $1 + $2 < @ $3 . >
#R<@> $+ + $* < @ $* . >
			$: < $(virtuser $1 @ $3 $@ $1 $: @ $) > $1 + $2 < @ $3 . >
#R<@> $+ < @ $+ . >	$: < $(virtuser @ $2 $@ $1 $: @ $) > $1 < @ $2 . >
#R<@> $+			$: $1
#R< error : $- $+ > $* 	$#error $@ $( dequote $1 $) $: $2
#R< $+ > $+ < @ $+ >	$: $>97 $1

# short circuit local delivery so forwarded email works
#R$+ . USENET < @ $=w . >	$#usenet $: $1		handle usenet specially
R$=L < @ $=w . >	$#local $: @ $1		special local names
R$+ < @ $=w . >		$#local $: $1			regular local name

# not local -- try mailer table lookup
R$* <@ $+ > $*		$: < $2 > $1 < @ $2 > $3	extract host name
R< $+ . > $*		$: < $1 > $2			strip trailing dot
R< $+ > $*		$: < $(mailertable $1 $) > $2	lookup
R< $~[ : $+ > $* 	$>95 < $1 : $2 > $3		check -- resolved?
R< $+ > $*		$: $>90 <$1> $2			try domain

# resolve remotely connected UUCP links (if any)

# resolve fake top level domains by forwarding to other hosts
R$*<@$+.BITNET.>$*	$: $>95 < $B > $1 <@$2.BITNET.> $3	user@host.BITNET

# forward non-local UUCP traffic to our UUCP relay
R$*<@$*.UUCP.>$*		$: $>95 < $Y > $1 <@$2.UUCP.> $3	uucp mail


# 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$* < @$* > $*		$#esmtp $@ $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   ###
###########################################################################

S5

# deal with plussed users so aliases work nicely
R$+ + *			$#local $@ $&h $: $1
R$+ + $*		$#local $@ + $2 $: $1 + *

# prepend an empty "forward host" on the front
R$+			$: <> $1

# send unrecognized local users to a relay host
#R< > $+ 		$: < $L . > $( user $1 $)	look up user
#R< $* > $+ <> $*	$: < > $2 $3			found; strip $L
#R< $* . > $+		$: < $1 > $2			strip extra dot

# see if we have a relay or a hub
R< > $+			$: < $H > $1			try hub
R< > $+			$: < $R > $1			try relay
R< > $+			$: < > < $1 $(dequote "" $&h $) >	nope, restore +detail
R< > < $+ + $* > $*	   < > < $1 > + $2 $3		find the user part
R< > < $+ > + $*	$#local $@ $2 $: @ $1		strip the extra +
R< > < $+ >		$@ $1				no +detail
R$+			$: $1 $(dequote "" $&h $)	add +detail back in
R< local : $* > $*	$: $>95 < local : $1 > $2	no host extension
R< error : $* > $*	$: $>95 < error : $1 > $2	no host extension
R< $- : $+ > $+		$: $>95 < $1 : $2 > $3 < @ $2 >
R< $+ > $+		$@ $>95 < $1 > $2 < @ $1 >

###################################################################
###  Ruleset 90 -- try domain part of mailertable entry 	###
###################################################################

S90
R$* <$- . $+ > $*	$: $1$2 < $(mailertable .$3 $@ $1$2 $@ $2 $) > $4
R$* <$~[ : $+ > $*		$>95 < $2 : $3 > $4	check -- resolved?
R$* < . $+ > $* 		$@ $>90 $1 . <$2> $3	no -- strip & try again
R$* < $* > $*		$: < $(mailertable . $@ $1$2 $) > $3	try "."
R< $~[ : $+ > $*		$>95 < $1 : $2 > $3	"." found?
R< $* > $*			$@ $2			no mailertable match

###################################################################
###  Ruleset 95 -- canonify mailer:[user@]host syntax to triple	###
###################################################################

S95
R< > $*				$@ $1			strip off null relay
R< error : $- $+ > $*		$#error $@ $( dequote $1 $) $: $2
R< local : $* > $*		$>CanonLocal < $1 > $2
R< $- : $+ @ $+ > $*<$*>$*	$# $1 $@ $3 $: $2<@$3>	use literal user
R< $- : $+ > $*			$# $1 $@ $2 $: $3	try qualified mailer
R< $=w > $*			$@ $2			delete local host
R< $+ > $*			$#relay $@ $1 $: $2	use unqualified mailer

###################################################################
###  Ruleset CanonLocal -- canonify local: syntax		###
###################################################################

SCanonLocal
# strip trailing dot from any host name that may appear
R< $* > $* < @ $* . >		$: < $1 > $2 < @ $3 >

# handle local: syntax -- use old user, either with or without host
R< > $* < @ $* > $*		$#local $@ $1@$2 $: $1
R< > $+				$#local $@ $1    $: $1

# handle local:user@host syntax -- ignore host part
R< $+ @ $+ > $* < @ $* >	$: < $1 > $3 < @ $4 >

# handle local:user syntax
R< $+ > $* <@ $* > $*		$#local $@ $2@$3 $: $1
R< $+ > $* 			$#local $@ $2    $: $1

###################################################################
###  Ruleset 93 -- convert header names to masqueraded form	###
###################################################################

S93

# handle generics database
#R$+ < @ $=G . >	$: < $1@$2 > $1 < @ $2 . > @	mark
#R$+ < @ *LOCAL* >	$: < $1@$j > $1 < @ *LOCAL* > @	mark
#R< $+ > $+ < $* > @	$: < $(generics $1 $: $) > $2 < $3 >
#R< > $+ < @ $+ > 	$: < $(generics $1 $: $) > $1 < @ $2 >
#R< $* @ $* > $* < $* >	$@ $>3 $1 @ $2			found qualified
#R< $+ > $* < $* >	$: $>3 $1 @ *LOCAL*		found unqualified
#R< > $*			$: $1				not found

# special case the users that should be exposed
R$=E < @ *LOCAL* >	$@ $1 < @ $j . >		leave exposed
R$=E < @ $=M . >	$@ $1 < @ $2 . >
R$=E < @ $=w . >	$@ $1 < @ $2 . >

# handle domain-specific masquerading
R$* < @ $=M . > $*	$: $1 < @ $2 . @ $M > $3	convert masqueraded doms
R$* < @ $=w . > $*	$: $1 < @ $2 . @ $M > $3
R$* < @ *LOCAL* > $*	$: $1 < @ $j . @ $M > $2
R$* < @ $+ @ > $*	$: $1 < @ $2 > $3		$M is null
R$* < @ $+ @ $+ > $*	$: $1 < @ $3 . > $4		$M is not null

###################################################################
###  Ruleset 94 -- convert envelope names to masqueraded form	###
###################################################################

S94
#R$+			$@ $>93 $1
R$* < @ *LOCAL* > $*	$: $1 < @ $j . > $2

###################################################################
###  Ruleset 98 -- local part of ruleset zero (can be null)	###
###################################################################

S98

# addresses sent to foo@host.REDIRECT will give a 551 error code
R$* < @ $+ .REDIRECT. >		$: $1 < @ $2 . REDIRECT . > < ${opMode} >
R$* < @ $+ .REDIRECT. > <i>	$: $1 < @ $2 . REDIRECT. >
R$* < @ $+ .REDIRECT. > < $- >	$# error $@ 5.1.1 $: "551 User has moved;
please try " <$1@$2>

#
######################################################################
######################################################################
#####
#####			MAILER DEFINITIONS
#####
######################################################################
######################################################################


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

#####  @(#)local.m4	8.23 (Berkeley) 5/31/96  #####

Mlocal,		P=/usr/libexec/mail.local, F=lsDFMAw5:/|@qrmn9, S=10/30, R=20/40,
		T=DNS/RFC822/X-Unix,
		A=mail $u
Mprog,		P=/bin/sh, F=lsDFMoqeu9, S=10/30, R=20/40, D=$z:/,
		T=X-Unix,
		A=sh -c $u

#
#  Envelope sender rewriting
#
S10
R<@>			$n			errors to mailer-daemon
R$+			$: $>50 $1		add local domain if needed
R$*			$: $>94 $1		do masquerading

#
#  Envelope recipient rewriting
#
S20
R$+ < @ $* >		$: $1			strip host part

#
#  Header sender rewriting
#
S30
R<@>			$n			errors to mailer-daemon
R$+			$: $>50 $1		add local domain if needed
R$*			$: $>93 $1		do masquerading

#
#  Header recipient rewriting
#
S40
R$+			$: $>50 $1		add local domain if needed
#R$*			$: $>93 $1		do all-masquerading

#
#  Common code to add local domain name (only if always-add-domain)
#
S50
#R$* < @ $* > $* 	$@ $1 < @ $2 > $3		already fully qualified
#R$+			$@ $1 < @ *LOCAL* >		add local qualification

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

#####  @(#)smtp.m4	8.33 (Berkeley) 7/9/96  #####

Msmtp,		P=[IPC], F=mDFMuX, S=11/31, R=21, E=\r\n, L=990,
		T=DNS/RFC822/SMTP,
		A=IPC $h
Mesmtp,		P=[IPC], F=mDFMuXa, S=11/31, R=21, E=\r\n, L=990,
		T=DNS/RFC822/SMTP,
		A=IPC $h
Msmtp8,		P=[IPC], F=mDFMuX8, S=11/31, R=21, E=\r\n, L=990,
		T=DNS/RFC822/SMTP,
		A=IPC $h
Mrelay,		P=[IPC], F=mDFMuXa8, S=11/31, R=61, E=\r\n, L=2040,
		T=DNS/RFC822/SMTP,
		A=IPC $h

#
#  envelope sender rewriting
#
S11
R$+			$: $>51 $1			sender/recipient common
R$* :; <@>		$@				list:; special case
R$*			$: $>61 $1			qualify unqual'ed names
R$+			$: $>94 $1			do masquerading


#
#  envelope recipient rewriting --
#  also header recipient if not masquerading recipients
#
S21
R$+			$: $>51 $1			sender/recipient common
R$+			$: $>61 $1			qualify unqual'ed names


#
#  header sender and masquerading header recipient rewriting
#
S31
R$+			$: $>51 $1			sender/recipient common
R:; <@>			$@				list:; special case

# do special header rewriting
R$* <@> $*		$@ $1 <@> $2			pass null host through
R< @ $* > $*		$@ < @ $1 > $2			pass route-addr through
R$*			$: $>61 $1			qualify unqual'ed names
R$+			$: $>93 $1			do masquerading


#
#  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

# do UUCP heuristics; note that these are shared with UUCP mailers
R$+ < @ $+ .UUCP. >	$: < $2 ! > $1			convert to UUCP form
R$+ < @ $* > $*		$@ $1 < @ $2 > $3		not UUCP form

# leave these in .UUCP form to avoid further tampering
R< $&h ! > $- ! $+	$@ $2 < @ $1 .UUCP. >
R< $&h ! > $-.$+ ! $+	$@ $3 < @ $1.$2 >
R< $&h ! > $+		$@ $1 < @ $&h .UUCP. >
R< $+ ! > $+		$: $1 ! $2 < @ $Y >		use UUCP_RELAY
R$+ < @ $+ : $+ >	$@ $1 < @ $3 >			strip mailer: part
R$+ < @ >		$: $1 < @ *LOCAL* >		if no UUCP_RELAY


#
#  common sender and masquerading recipient rewriting
#
S61

R$* < @ $* > $*		$@ $1 < @ $2 > $3		already fully qualified
R$+			$@ $1 < @ *LOCAL* >		add local qualification


#
#  relay mailer header masquerading recipient rewriting
#
S71

R$+			$: $>61 $1
R$+			$: $>93 $1
#CMworkbox.davidv.iadfw.net


>
>___________________________________________________________________________
>
>Pat Lynch						lynch@rush.net
>Systems Administrator					Rush Networking
>
>___________________________________________________________________________
>
>On Wed, 21 Oct 1998, David L. Vondrasek wrote:
>
>> At 11:06 AM 10/22/98 +1000, you wrote:
>> >On Wed, 21 Oct 1998, Greg Bedrossian wrote:
>> >
>> >> Greetings,
>> >> 
>> >> Does anyone know what version of sendmail is included in V2.2.7 of
FreeBSD?
>> >
>> >Sendmail 8.8.8
>> >
>> >> Does this version support any kind of ready-made solution for proofing
>> against
>> >> third party SMTP relaying?
>> >> 
>> >
>> >No, not unless you add them manually.  Upgrade to 8.9.1 which denies
>> >relay by default.
>> 
>> I had a friend that JUST installed  8.9.1 and didn't touch anything. He
>> still relays. He was TOLD this was a fix, I have the relayed mail to prove
>> it relays still
>> 
>> 
>> 
>> To Unsubscribe: send mail to majordomo@FreeBSD.org
>> with "unsubscribe freebsd-questions" in the body of the message
>> 
>
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> 

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