############################################################
#
#	SENDMAIL CONFIGURATION FILE
#
#	supports internet style addressing
#	over UUCP and ethernet links.
#
#	A product of the UUCP Project.
#
#	@(#)template.cf	2.5 (smail) 9/15/87
#
############################################################


############################################################
#
#  Local configuration options - HINTS
#
# Host name and domain name macros.
#
#	Dw sets $w
#	DD sets $D
#	CD sets $=D
#
# $D and $=D list all domains in which this host sits.
# $D goes into outbound addresses, i.e. "user@$w.$D".
# $A is another domain for which this host is 'authoritative'
# it will will be turned into $D.

CF_HOST
CF_DOMAIN
CF_AUTHORITY
CF_DCLASS

# Preemptive ether connections.  We prefer these connections 
# over both designated transport mechanisms and the general depository.
# You can add more classes (here and in S0).

# /etc/hosts.smtp might be a link to /etc/hosts
#
CF_SMTP

# Mock top-level domain names.  These name designate a transport mechanism
# and appear internally only, set in S3, used in S0, and removed in S4 and
# (possibly) the ruleset for the particular mailer.  

CTETHER UUX

# Relay host.  Used at the end of S0 as the general depository for 
# addresses which didn't resolve locally.  

DRrelay

#
#  End Local configuration options
#
############################################################

############################################################
#
#	General configuration information
#
############################################################

DVsmail2.5/CF_DATE

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

# official hostname
Dj$w.$D
# 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 $v/$V ready at $b


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

# location of alias file
OA/usr/lib/aliases
# default delivery mode (deliver in background)
Odbackground
# (don't) connect to "expensive" mailers
#Oc
# temporary file mode
OF0644
# default GID
Og1
# location of help file
OH/usr/lib/sendmail.hf
# log level
OL9
# default messages to old style
Oo
# queue directory
OQ/usr/spool/mqueue
# read timeout -- violates protocols
Or2h
# status file
OS/usr/lib/sendmail.st
# queue up everything before starting transmission
Os
# default timeout interval
OT3d
# time zone names (V6 only)
OtPST,PDT
# default UID
Ou1
# wizard's password
OWvoidpasswords

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

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

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

Troot
Tdaemon
Tuucp
Tnetwork

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

#H?P?Return-Path: <$g>
HReceived: $?sfrom $s 
	$.by $j ($v/$V)
	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
#


###########################
#			  #
#  Name Canonicalization  #
#			  #
###########################
S3

# basic textual canonicalization
R<>			$@@				turn into magic token
R$*<$+>$*		$2				basic RFC821/822 parsing
R$+ at $+		$1@$2				"at" -> "@" for RFC 822
R$*<$*>$*		$1$2$3				in case recursive

# handle route-addr <@a,@b,@c:user@d> 
R@$+,$+			@$1:$2				change all "," to ":"
R@$+:$+			$@<@$1>:$2			handle <route-addr>
R$+:$*;@$+		$@$1:$2;@$3			list syntax

# Rewrite address into a domain-based address.  Any special mock domain names 
# (like UUX) should be defined on the CT line and removed (if necessary) 
# in S4.  You can use them in S0 for designated transport mechanisms.

# Delimiters with precedence over @.  Add yours here.

# The @ delimiter.  Leave this alone.
R$+@$+			$:$1<@$2>			focus on domain
R$+<$+@$+>		$1$2<@$3>			move gaze right
R$+<@$+>		$@$1<@$2>			already canonical

# Delimiters with precedence below @.  Add yours here.
R$+^$+			$1!$2				convert ^ to !
R$-!$+			$@$2<@$1.UUX>			resolve uucp names
R$+.!$+			$@$2<@$1>			domain.!host
R$+!$+			$@$2<@$1>			domain!host

# % is a low precedence @.
R$*%$*			$@$>3$1@$2			%->@ and retry

############################################################
#
#    		RULESET ZERO PREAMBLE
#
############################################################

S0

# first make canonical
R$*<$*>$*		$1$2$3				defocus
R$+			$:$>3$1				make canonical

# handle special cases.....
R@			$#local$:MAILER-DAEMON		handle <> form
R$*<@[$+]>$*		$#ether$@[$2]$:$1@[$2]$3	numeric internet spec

# strip local stuff
R$*<@$-.$w.$D>$*	$1<@$2>$3			thishost.mydom
CF_GATEWAYR$*<@$-.$D>$*	$1<@$2>$3			mydom
R$*<@$-.$w.$=D>$*	$1<@$2>$4			thishost.anydom
R$*<@$-.$w.$A>$*	$1<@$2>$3			thishost.anotherdom
R$*<@$-.$A>$*		$1<@$2>$3			anotherdom
R$*<@$-.$w.$=T>$*	$1<@$2>$4			thishost.mockdom
CF_GATEWAYR$*<$*$w>$*	$1<$2>$3			thishost
R$*<$*.>$*		$1<$2>$3			drop trailing dot
R<@>:$+			$@$>0$1				strip null route, retry
R$+<@>			$@$>0$1				strip null addr, retry


###############################################
#    Machine dependent part of ruleset zero   #
###############################################

# Preemption: for a host on a known link turn the domain spec into a
# mock domain indicating the link.  One set of these rules for each of 
# the F classes listed in the local configuration options.

R$*<$*$=E.$D>$*			$:$1<$2$3.ETHER>$4	etherhost.mydomain
R$*<$*$=E.$=D>$*		$:$1<$2$3.ETHER>$5	etherhost.anydomain
R$*<$*$=E.$A>$*			$:$1<$2$3.ETHER>$4	etherhost.anotherdomain
R$*<$*$=E.$=T>$*		$:$1<$2$3.ETHER>$5	etherhost.mock-domain
R$*<$*$=E>$*			$:$1<$2$3.ETHER>$4	etherhost

# Designated delivery: use the indicated transport mechanism.  One of
# these rules for each of the mock domains defined in $=T.  You can
# remove these if you just want general disposition.  HINTS.

# Designated delivery:
R$*<@$=U.UUX>$*		$#uux$@$2$:$1$3			known uucphost
R$*<@$=E$+.ETHER>$*	$#ether$@$2$:$1@$2$4		known etherhost
R$*<@$+.ETHER>$*	$#ether$@$2$:$1@$2$3		etherhost

# throw out mock domain name now
R$*<$*.$=T>$*		$1<$2>$4

# General disposition of remote mail (comment out all but one).  You
# might add to this list, if you have other "smarter" mailers.  HINTS.

R$*<@$->:$+		$#uux$@$2$:$1$3			forward to $2
R$*<@$*>$*		$#uux$@$2$:$1$3			hand to uucp
#R$*<@$*>$*		$#uux$@$R$:$1@$2$3		hand to uucp relay
#R$*<@$*>$*		$#ether$@$R$:$1@$2$3		hand to ether relay
#R$*<$*>$*		$#error$:unknown address $1$2$3	don't hand anywhere

# local delivery
R$+			$#local$:$1			user

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

CF_SVMAILMlocal, P=CF_LOCALMAIL, F=lsDFMhumSU, S=10, R=20, A=rmail $u
CF_BSMAILMlocal, P=CF_LOCALMAIL, F=rlsDFMmn, S=10, R=20, A=mail -d $u
Mprog,	P=/bin/sh,   F=lsDFMe,   S=10, R=20, A=sh -c $u

S10
R@			MAILER-DAEMON	errors to mailer-daemon
CF_HIDDENHOSTSR$+<@$+.$j>$*		$1<@$j>$3	hide anydom.$j under $j

S20

############################################################
#
#    		UUCP Mailer specification
#
############################################################

Muux,	P=/bin/smail, F=sDFMhum, S=14, R=24, M=100000,
	A=smail -vH$j $h!$u

S14
R$+<@$=E>		$1			user@etherhost -> user
R$*<@$+>$*		$@$1<@$2>$3		already ok
CF_HIDDENHOSTSR$+<@$+.$j>$*		$1<@$j>$3		hide anydom.$j under $j
R$+			$@$1<@$j>		add our full address

S24

############################################################
#
#    		SMTP ethernet mailer
#
############################################################

Mether,	P=[IPC], F=msDFMuCXP, S=11, R=21, A=IPC $h

S11
R$*<@$+>$*		$@$1<@$2>$3		already ok
R$+			$@$1<@$w>		add our hostname

S21

#################################
#  Final Output Post-rewriting  #
#################################

# This rewrites the internal $=T mock domains into their external form.
# The default is to replace the mock domain name with $D.
# The last two lines are stock.

S4
R@			$@				handle <> error addr
R$+<@$-.UUX>		$2!$1				u@host.UUX => host!u
R$*<$*$=T>$*		$:$1<$2$D>$4			change local info
R$*<$+>$*		$1$2$3				defocus
R@$+:$+:$+		@$1,$2:$3			<route-addr> canonical