4.1cBSD/usr/src/usr.lib/sendmail/cf/b2base.x4
############################################################
#
# 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@$2$D.ARPA convert local domain
# turn user@@e@@d@@c@@b@@a back into @a,@b,@c,@d:user@e form
R$+@$+@@$+ $:@$3:$1@$2 @d@@c@@b@@a:u@e
R@$+@@$+:$+ $:@$2:@$1:$3 @c@@b@@a:@d:u@e
R@$+@@$+:@$+:$+ @$2:@$1,@$3:$4 @a:@b,@c,@d:u@e
R@$+:@$+:$+ @$1,@$2:$3 @a,@b,@c,@d:u@e
###########################
# Name Canonicalization #
###########################
S3
# handle "from:<>" special case
R<> $@@ turn into magic token
# basic textual canonicalization
R$*<$+>$* $2 basic RFC821/822 parsing
R$+ at $+ $1@$2 "at" -> "@" for RFC 822
# make sure <@a,@b,@c:user@d> syntax is canonical
R@$+,$+ @$1:$2 change all "," to ":"
R@$+:$+:$+ @$1,$2:$3 all but last back to ","
# convert <@a,@b,@c:user@d> syntax into user@d@@c@@b@@a
R@$+:$+ $2,@@$1 move path to RHS
R$+,@$+,@$+,@$+ $1,@@$3@$2,@$4 inside out convert
R$+,@$+,@$+ $1@@$3@$2 final twist
R$+,@$+ $1@@$2 for u@b,@a case
# identify local domain on end of address
R$+@$+ $:$>6$1@$2 localize name
# delete multiple host specs and extra net info -- dangerous business here
R$-:$-:$+ $2:$3 drop multiple old-style
R$+@$=H.LOCAL $1@$2 canonical form
R$-:$+@LOCAL $1:$2 drop @UCB on berknet
R$-:$+@$=H $1:$2 drop @local on berknet
R$-:$*;@$+ $@$1:$2;@$3 try to handle lists
R$-:$+@$+ $2@$3 drop forwarding host
R$-!$+@LOCAL $1!$2 drop @UCB on uucp
R$-!$+@$=H $1!$2 drop @local on uucp
R$+@$+@LOCAL $1@$2 drop @UCB on arpanet
R$+@$+@$=H $1@$2 drop @local on arpanet
R$+ $:$>8$1 host dependent cleanup
# hack attack!! make sure local host "arpa" doesn't look like domain name
R$+@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$1 make canonical
R$+@$*$=H.LOCAL $1@$2 user@thishost.LOCAL
R$+@$*$=H.ARPA $1@$2 user@thishost.ARPA
R$+@$*$=H.UUCP $1@$2 user@thishost.UUCP
R$+@$*$=H $1@$2 user@thishost
R$+@$+. $1@$2 for subhost.thishost
R$+@@ $1@ handle doubled @@
R$+@ $>9$1 strip null trash