4.1cBSD/usr/src/usr.lib/sendmail/cf/b1base.x4

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############################################################
#
#	General configuration information
#
#	This information is basically just "boiler-plate"; it must be
#	there, but is essentially constant.
#
#	Information in this file should be independent of location --
#	i.e., although there are some policy decisions made, they are
#	not specific to Berkeley per se.
#
#		%W%	%Y%	%G%
#
############################################################

include(version.m4)

##########################
###   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)$.
# my official hostname
Dj$H.ARPA
# 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
OWa/FjIfuGKXyc2

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

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

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

Troot
Tdaemon
Tuucp
Teric
Tnetwork

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

H?D?Date: $a
H?F?From: $q
H?x?Full-Name: $x
HSubject:
H?P?Return-Path: <$g>
# HPosted-Date: $a
# H?l?Received-Date: $b
H?M?Message-Id: <$t.$p@$j>
HReceived: $?sfrom $s $.by $j ($v/$V)
	id $i; $b

###########################
###   Rewriting rules   ###
###########################

# rules marked with "*" are removed or different when 819 becomed effective

################################
#  Sender Field Pre-rewriting  #
################################
S1

R@$+			$@@$1				handle route-addr
R$+@$+@$=R		$>3$1@$2			u@h@gateway -> u@h
R$-!$+@$=R		$>3$1!$2			h!u@relay -> h!u

###################################
#  Recipient Field Pre-rewriting  #
###################################
S2

#################################
#  Final Output Post-rewriting  #
#################################
S4

R@			$@				handle <> error addr

# externalize local domain info
R@$*LOCAL:$+		@$1$D.ARPA:$2			convert local domain
R$+@$*LOCAL		$1@$2$D.ARPA			convert local domain

# externalize <route-addr> form
R@$+:$+:$+		@$1,$2:$3			all ":" but last to ","

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

# handle "from:<>" special case
R<>			$@@				turn into magic token

# basic textual canonicalization
R$*<$+>$*		$2				basic RFC821/822 parsing
R$+ at $+		$1@$2				"at" -> "@" for RFC 822

# make sure <@a,@b,@c:user@d> syntax is in convenient internal form canonical
R@$+,$+			@$1:$2				change all "," to ":"
R@$+			$@@$1				use <route-addr> as-is

# localize domain names
R$+@$+			$:$>6$1@$2			local domain => LOCAL

# hack attack!!  make sure local host "arpa" doesn't look like domain name
R$+@arpa		$2@$1.LOCAL			add domain

# the heart of canonicalization....
R$+			$:$>8$1				host dependent cleanup
R$+:$*;@$+		$@$1:$2;@$3			list syntax
R$+:$+			$1.$2				colons => dots
R$+@$+			$@$1@$2				already canonical
R$-.$+			$2@$1				host.user
R$+^$+			$1!$2				convert ^ to !
R$-!$+			$@$2@$1.UUCP			resolve uucp names


#########################################
###  Strip local info from addresses  ###
###	(This ruleset is recursive)   ###
#########################################

S9

R$+			$:$>3$1				make canonical

# handle <route-addr>'s
R@$+:$+			$:$>6$2@@$1			localize route domain
R$+@@			$@$>9$1				all local => start over
R$+@@$+			$@@$2:$1			more <route-addr>

# handle normal addresses
R$+@$+			$:$>6$1@@$2			localize domain
R$+@@			$@$>9$1				all local => start over
R$+@@$+			$@$1@$2				more addressing info