1divert(-1)
2#
3# Copyright (c) 1983 Eric P. Allman
4# Copyright (c) 1988, 1993
5#	The Regents of the University of California.  All rights reserved.
6#
7# %sccs.include.redist.sh%
8#
9divert(0)
10
11VERSIONID(`@(#)nullrelay.m4	8.2 (Berkeley) 08/21/93')
12
13#
14#  This configuration applies only to relay-only hosts.  They send
15#  all mail to a hub without consideration of the address syntax
16#  or semantics, except for adding the hub qualification to the
17#  addresses.
18#
19#	This is based on a prototype done by Bryan Costales of ICSI.
20#
21
22# hub host (to which all mail is sent)
23DH`'ifdef(`MAIL_HUB', MAIL_HUB,
24	ifdef(`LOCAL_RELAY', LOCAL_RELAY,
25	ifdef(`SMART_HOST', SMART_HOST)))
26
27# route-addr separators
28C: : ,
29
30undivert(6)dnl
31
32######################
33#   Special macros   #
34######################
35
36# SMTP initial login message
37De`'confSMTP_LOGIN_MSG
38
39# UNIX initial From header format
40Dl`'confFROM_LINE
41
42# my name for error messages
43Dn`'confMAILER_NAME
44
45# delimiter (operator) characters
46Do`'confOPERATORS
47
48# format of a total name
49Dq<$g>
50include(`../m4/version.m4')
51
52###############
53#   Options   #
54###############
55
56# strip message body to 7 bits on input?
57O7`'confSEVEN_BIT_INPUT
58
59# no aliases here
60
61# substitution for space (blank) characters
62OB`'confBLANK_SUB
63
64# default delivery mode
65Od`'confDELIVERY_MODE
66
67# error message header/file
68ifdef(`confERROR_MESSAGE',
69	OE`'confERROR_MESSAGE,
70	#OE/etc/sendmail.oE)
71
72# error mode
73ifdef(`confERROR_MODE',
74	Oe`'confERROR_MODE,
75	#Oep)
76
77# save Unix-style "From_" lines at top of header?
78Of`'confSAVE_FROM_LINES
79
80# temporary file mode
81OF`'confTEMP_FILE_MODE
82
83# default GID
84Og`'confDEF_GROUP_ID
85
86# maximum hop count
87Oh`'confMAX_HOP
88
89# location of help file
90OH`'ifdef(`HELP_FILE', HELP_FILE, /usr/lib/sendmail.hf)
91
92# ignore dots as terminators in incoming messages?
93Oi`'confIGNORE_DOTS
94
95# Insist that the BIND name server be running to resolve names
96ifdef(`confBIND_OPTS',
97	OI`'confBIND_OPTS,
98	#OI)
99
100# deliver MIME-encapsulated error messages?
101Oj`'confMIME_FORMAT_ERRORS
102
103# open connection cache size
104Ok`'confMCI_CACHE_SIZE
105
106# open connection cache timeout
107OK`'confMCI_CACHE_TIMEOUT
108
109# use Errors-To: header?
110Ol`'confUSE_ERRORS_TO
111
112# log level
113OL`'confLOG_LEVEL
114
115# send to me too, even in an alias expansion?
116Om`'confME_TOO
117
118# default messages to old style headers if no special punctuation?
119Oo`'confOLD_STYLE_HEADERS
120
121# SMTP daemon options
122ifdef(`confDAEMON_OPTIONS',
123	OO`'confDAEMON_OPTIONS,
124	#OOPort=esmtp)
125
126# privacy flags
127Op`'confPRIVACY_FLAGS
128
129# who (if anyone) should get extra copies of error messages
130ifdef(`confCOPY_ERRORS_TO',
131	OP`'confCOPY_ERRORS_TO,
132	#OPPostmaster)
133
134# slope of queue-only function
135ifdef(`confQUEUE_FACTOR',
136	Oq`'confQUEUE_FACTOR,
137	#Oq600000)
138
139# queue directory
140OQ`'ifdef(`QUEUE_DIR', QUEUE_DIR, /var/spool/mqueue)
141
142# read timeout -- now OK per RFC 1123 section 5.3.2
143ifdef(`confREAD_TIMEOUT',
144	Or`'confREAD_TIMEOUT,
145	#Ordatablock=10m)
146
147# queue up everything before forking?
148Os`'confSAFE_QUEUE
149
150# status file
151OS`'ifdef(`STATUS_FILE', STATUS_FILE, /etc/sendmail.st)
152
153# default message timeout interval
154OT`'confMESSAGE_TIMEOUT
155
156# time zone handling:
157#  if undefined, use system default
158#  if defined but null, use TZ envariable passed in
159#  if defined and non-null, use that info
160ifelse(confTIME_ZONE, `USE_SYSTEM', `#Ot',
161	confTIME_ZONE, `USE_TZ', `',
162	`Ot`'confTIME_ZONE')
163
164# default UID
165Ou`'confDEF_USER_ID
166
167# deliver each queued job in a separate process?
168OY`'confSEPARATE_PROC
169
170# work class factor
171ifdef(`confWORK_CLASS_FACTOR',
172	Oz`'confWORK_CLASS_FACTOR,
173	#Oz1800)
174
175# work time factor
176ifdef(`confWORK_TIME_FACTOR',
177	OZ`'confWORK_TIME_FACTOR,
178	#OZ90000)
179
180###########################
181#   Message precedences   #
182###########################
183
184Pfirst-class=0
185Pspecial-delivery=100
186Plist=-30
187Pbulk=-60
188Pjunk=-100
189
190#####################
191#   Trusted users   #
192#####################
193
194Troot
195Tdaemon
196Tuucp
197
198#########################
199#   Format of headers   #
200#########################
201
202H?P?Return-Path: $g
203HReceived: $?sfrom $s $.$?_($_) $.by $j ($v/$Z)$?r with $r$. id $i$?u for $u$.; $b
204H?D?Resent-Date: $a
205H?D?Date: $a
206H?F?Resent-From: $q
207H?F?From: $q
208H?x?Full-Name: $x
209HSubject:
210# HPosted-Date: $a
211# H?l?Received-Date: $b
212H?M?Resent-Message-Id: <$t.$i@$j>
213H?M?Message-Id: <$t.$i@$j>
214#
215######################################################################
216######################################################################
217#####
218#####			REWRITING RULES
219#####
220######################################################################
221######################################################################
222
223###########################################
224###  Rulset 3 -- Name Canonicalization  ###
225###########################################
226S3
227
228# handle null input and list syntax (translate to <@> special case)
229R$@			$@ <@>
230R$*:;$*			$@ $1 :; <@>
231
232# basic textual canonicalization -- note RFC733 heuristic here
233R$*<$*>$*<$*>$*		$2$3<$4>$5			strip multiple <> <>
234R$*<$*<$+>$*>$*		<$3>$5				2-level <> nesting
235R$*<>$*			$@ <@>				MAIL FROM:<> case
236R$*<$+>$*		$2				basic RFC821/822 parsing
237
238# eliminate local host if present
239R@ $=w $=: $+		$@ @ $H $2 $3			@thishost ...
240R@ $+			$@ $1				@somewhere ...
241
242R$+ @ $=w		$@ $1 @ $H			...@thishost
243R$+ @ $+		$@ $1 @ $2			...@somewhere
244
245R$=w ! $+		$@ $2 @ $H			thishost!...
246R$+ ! $+		$@ $1 ! $2 @ $H			somewhere ! ...
247
248R$+ % $=w		$@ $1 @ $H			...%thishost
249R$+ % $+		$@ $1 @ $2			...%somewhere
250
251R$+			$@ $1 @ $H			unadorned user
252
253
254######################################
255###   Ruleset 0 -- Parse Address   ###
256######################################
257
258S0
259
260R$*:;<@>		$#error $@ USAGE $: "list:; syntax illegal for recipient addresses"
261
262# pass everything else to a relay host
263R$*			$#_RELAY_ $@ $H $: $1
264
265#
266######################################################################
267######################################################################
268#####
269`#####			MAILER DEFINITIONS'
270#####
271######################################################################
272######################################################################
273undivert(7)dnl
274